HOME

TheInfoList



OR:

23 (twenty-three) is the
natural number In mathematics, the natural numbers are those numbers used for counting (as in "there are ''six'' coins on the table") and ordering (as in "this is the ''third'' largest city in the country"). Numbers used for counting are called '' cardinal ...
following 22 and preceding 24.


In mathematics

Twenty-three is the ninth
prime number A prime number (or a prime) is a natural number greater than 1 that is not a Product (mathematics), product of two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime ...
, the smallest odd prime that is not a
twin prime A twin prime is a prime number that is either 2 less or 2 more than another prime number—for example, either member of the twin prime pair (41, 43). In other words, a twin prime is a prime that has a prime gap of two. Sometimes the term ''twin p ...
. It is, however, a
cousin prime In number theory, cousin primes are prime numbers that differ by four. Compare this with twin primes, pairs of prime numbers that differ by two, and sexy primes, pairs of prime numbers that differ by six. The cousin primes (sequences and in ...
with 19, and a
sexy prime In number theory, sexy primes are prime numbers that differ from each other by 6. For example, the numbers 5 and 11 are both sexy primes, because both are prime and . The term "sexy prime" is a pun stemming from the Latin word for six: . If ...
with 17 as well as 29. Twenty-three is also the fifth factorial prime, and the second Woodall prime. It is an Eisenstein prime with no imaginary part and real part of the form 3''n'' − 1. 23 is the fifth Sophie Germain prime and the fourth safe prime, 23 is the next to last member of the first Cunningham chain of the first kind to have five terms (2, 5, 11, 23, 47). Since 14! + 1 is a multiple of 23 but 23 is not one more than a multiple of 14, 23 is a
Pillai prime In number theory, a Pillai prime is a prime number ''p'' for which there is an integer ''n'' > 0 such that the factorial of ''n'' is one less than a multiple of the prime, but the prime is not one more than a multiple of ''n''. To put it algebraical ...
. 23 is the smallest odd prime to be a
highly cototient number In number theory, a branch of mathematics, a highly cototient number is a positive integer k which is above 1 and has more solutions to the equation :x - \phi(x) = k than any other integer below k and above 1. Here, \phi is Euler's totient f ...
, as the solution to ''x'' − φ(''x'') for the integers 95, 119, 143, 529. It is also a
happy number In number theory, a happy number is a number which eventually reaches 1 when replaced by the sum of the square of each digit. For instance, 13 is a happy number because 1^2+3^2=10, and 1^2+0^2=1. On the other hand, 4 is not a happy number because ...
in base-10. *In
decimal The decimal numeral system (also called the base-ten positional numeral system and denary or decanary) is the standard system for denoting integer and non-integer numbers. It is the extension to non-integer numbers of the Hindu–Arabic numeral ...
, 23 is the second Smarandache–Wellin prime, as it is the concatenation of the decimal representations of the first two primes (2 and 3) and is itself also prime. *23 is the first prime ''p'' for which unique factorization of cyclotomic integers based on the ''p'' the root of unity breaks down. *The sum of the first 23 primes is 874, which is divisible by 23, a property shared by few other numbers. *In the list of fortunate numbers, 23 occurs twice, since adding 23 to either the fifth or eighth
primorial In mathematics, and more particularly in number theory, primorial, denoted by "#", is a function from natural numbers to natural numbers similar to the factorial function, but rather than successively multiplying positive integers, the function ...
gives a prime number (namely 2333 and 9699713). *23 has the distinction of being one of two integers that cannot be expressed as the sum of fewer than 9 cubes of positive integers (the other is 239). See Waring's problem. *''R''23 is the third
decimal The decimal numeral system (also called the base-ten positional numeral system and denary or decanary) is the standard system for denoting integer and non-integer numbers. It is the extension to non-integer numbers of the Hindu–Arabic numeral ...
repunit prime after ''R''2 and ''R''19. *23 is the number of
trees In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are u ...
on 8 unlabeled nodes. It is also a
Wedderburn–Etherington number The Wedderburn–Etherington numbers are an integer sequence named for Ivor Malcolm Haddon Etherington.. and Joseph Wedderburn. that can be used to count certain kinds of binary trees. The first few numbers in the sequence are :0, 1, 1, 1, 2, 3, ...
, which are numbers that can be used to count certain
binary trees In computer science, a binary tree is a k-ary k = 2 tree data structure in which each node has at most two children, which are referred to as the ' and the '. A recursive definition using just set theory notions is that a (non-empty) binary t ...
. *The
natural logarithm The natural logarithm of a number is its logarithm to the base of the mathematical constant , which is an irrational and transcendental number approximately equal to . The natural logarithm of is generally written as , , or sometimes, if ...
s of all
positive integer In mathematics, the natural numbers are those numbers used for counting (as in "there are ''six'' coins on the table") and ordering (as in "this is the ''third'' largest city in the country"). Numbers used for counting are called '' cardinal ...
s lower than 23 are known to have binary BBP-type formulae. *23 is the smallest positive solution to Sunzi's original formulation of the
Chinese remainder theorem In mathematics, the Chinese remainder theorem states that if one knows the remainders of the Euclidean division of an integer ''n'' by several integers, then one can determine uniquely the remainder of the division of ''n'' by the product of the ...
. *According to the birthday paradox, in a group of 23 or more randomly chosen people, the probability is more than 50% that some pair of them will have the same birthday. A related coincidence is that 365 times the
natural logarithm The natural logarithm of a number is its logarithm to the base of the mathematical constant , which is an irrational and transcendental number approximately equal to . The natural logarithm of is generally written as , , or sometimes, if ...
of 2, approximately 252.999, is very close to the number of pairs of 23 items and 22nd
triangular number A triangular number or triangle number counts objects arranged in an equilateral triangle. Triangular numbers are a type of figurate number, other examples being square numbers and cube numbers. The th triangular number is the number of dots i ...
, 253. *23 is the smallest
prime number A prime number (or a prime) is a natural number greater than 1 that is not a Product (mathematics), product of two smaller natural numbers. A natural number greater than 1 that is not prime is called a composite number. For example, 5 is prime ...
''p'' such that the largest consecutive pair of ''p''- smooth numbers is the same as the largest consecutive pair of (''p ''− 1)-smooth numbers. That is, the largest consecutive pair of 23-smooth numbers (11859210, 11859211) is the same as the largest consecutive pair of 22-smooth numbers, where 23 is the smallest prime for which this is true. *23 ! is twenty-three digits long in
decimal The decimal numeral system (also called the base-ten positional numeral system and denary or decanary) is the standard system for denoting integer and non-integer numbers. It is the extension to non-integer numbers of the Hindu–Arabic numeral ...
. There are only three other numbers that have this property: 1, 22, and  24. In geometry, The Leech lattice Λ24 is a 24-dimensional lattice through which 23 other
positive definite In mathematics, positive definiteness is a property of any object to which a bilinear form or a sesquilinear form may be naturally associated, which is positive-definite. See, in particular: * Positive-definite bilinear form * Positive-definite fu ...
even unimodular Niemeier lattices of
rank Rank is the relative position, value, worth, complexity, power, importance, authority, level, etc. of a person or object within a ranking, such as: Level or position in a hierarchical organization * Academic rank * Diplomatic rank * Hierarchy * ...
24 are built, and vice-versa. Λ24 represents the solution to the kissing number in 24 dimensions as the precise lattice structure for the maximum number of
sphere A sphere () is a geometrical object that is a three-dimensional analogue to a two-dimensional circle. A sphere is the set of points that are all at the same distance from a given point in three-dimensional space.. That given point is the c ...
s that can fill 24-dimensional space without overlapping, equal to 196,560 spheres. These 23 Niemeier lattices are located at ''deep holes'' of radii in lattice points around its automorphism group,
Conway group In the area of modern algebra known as group theory, the Conway groups are the three sporadic simple groups Co1, Co2 and Co3 along with the related finite group Co0 introduced by . The largest of the Conway groups, Co0, is the group of autom ...
\mathbb C_. The Leech lattice can be constructed in various ways, which include: *Through the extended binary Golay code \mathbb B_ and Witt design \mathbb W_, which produce a construction of the 196,560 minimal vectors in the Leech lattice. The extended binary Golay code is an extension of the perfect
binary Golay code In mathematics and electronics engineering, a binary Golay code is a type of linear error-correcting code used in digital communications. The binary Golay code, along with the ternary Golay code, has a particularly deep and interesting connection ...
\mathbb B_, which has codewords of
size Size in general is the magnitude or dimensions of a thing. More specifically, ''geometrical size'' (or ''spatial size'') can refer to linear dimensions ( length, width, height, diameter, perimeter), area, or volume. Size can also be me ...
 23. \mathbb B_ has Mathieu group \mathbb M_ as its
automorphism group In mathematics, the automorphism group of an object ''X'' is the group consisting of automorphisms of ''X'' under composition of morphisms. For example, if ''X'' is a finite-dimensional vector space, then the automorphism group of ''X'' is the g ...
, which is the second largest member of the first generation in the happy family of sporadic groups. \mathbb M_ has a minimum faithful complex representation in 22
dimension In physics and mathematics, the dimension of a mathematical space (or object) is informally defined as the minimum number of coordinates needed to specify any point within it. Thus, a line has a dimension of one (1D) because only one coord ...
s and group-3 actions on 253
objects Object may refer to: General meanings * Object (philosophy), a thing, being, or concept ** Object (abstract), an object which does not exist at any particular time or place ** Physical object, an identifiable collection of matter * Goal, an ai ...
, with 253 equal to the number of pairs of objects in a set of 23 objects. In turn, \mathbb M_ is the automorphism group of Mathieu group \mathbb M_, which works through \mathbb W_ to generate 8-element ''octads'' whose individual elements occur 253 times through its entire
block design In combinatorial mathematics, a block design is an incidence structure consisting of a set together with a family of subsets known as ''blocks'', chosen such that frequency of the elements satisfies certain conditions making the collection of bl ...
. *By means of a
matrix Matrix most commonly refers to: * ''The Matrix'' (franchise), an American media franchise ** '' The Matrix'', a 1999 science-fiction action film ** "The Matrix", a fictional setting, a virtual reality environment, within ''The Matrix'' (franchi ...
of the form \scriptstyle\begin Ia&H/2\\H/2&Ib\end where I is the
identity matrix In linear algebra, the identity matrix of size n is the n\times n square matrix with ones on the main diagonal and zeros elsewhere. Terminology and notation The identity matrix is often denoted by I_n, or simply by I if the size is immaterial or ...
and H is a 24 by 24
Hadamard matrix In mathematics, a Hadamard matrix, named after the French mathematician Jacques Hadamard, is a square matrix whose entries are either +1 or −1 and whose rows are mutually orthogonal. In geometric terms, this means that each pair of row ...
(Z/23Z ∪ ∞) with ''a'' = 2 and ''b'' = 3, and entries X(∞) = 1 and X(0) = -1 with X(''n'') the
quadratic residue In number theory, an integer ''q'' is called a quadratic residue modulo ''n'' if it is congruent to a perfect square modulo ''n''; i.e., if there exists an integer ''x'' such that: :x^2\equiv q \pmod. Otherwise, ''q'' is called a quadratic no ...
symbol mod 23 for nonzero ''n''. *Using Niemer lattices D24 of
group order In mathematics, the order of a finite group is the number of its elements. If a group is not finite, one says that its order is ''infinite''. The ''order'' of an element of a group (also called period length or period) is the order of the sub ...
223·24! and
Coxeter number In mathematics, the Coxeter number ''h'' is the order of a Coxeter element of an irreducible Coxeter group. It is named after H.S.M. Coxeter. Definitions Note that this article assumes a finite Coxeter group. For infinite Coxeter groups, there ...
46 = 2·23, it can be made into a
module Module, modular and modularity may refer to the concept of modularity. They may also refer to: Computing and engineering * Modular design, the engineering discipline of designing complex devices using separately designed sub-components * Modul ...
over the
ring of integers In mathematics, the ring of integers of an algebraic number field K is the ring of all algebraic integers contained in K. An algebraic integer is a root of a monic polynomial with integer coefficients: x^n+c_x^+\cdots+c_0. This ring is often deno ...
of quadratic field \mathbb(\sqrt), whereby multiplying D24 by a non-principal ideal of the ring of integers yields the Leech lattice. Conway and Sloane provided constructions of the Leech lattice from all other 23 Niemeier lattices. There are 23 four-dimensional crystal families within the classification of
space groups In mathematics, physics and chemistry, a space group is the symmetry group of an object in space, usually in three dimensions. The elements of a space group (its symmetry operations) are the rigid transformations of an object that leave it unch ...
. These are accompanied by 6
enantiomorphic In chemistry, a molecule or ion is called chiral () if it cannot be superposed on its mirror image by any combination of rotations, translations, and some conformational changes. This geometric property is called chirality (). The terms are d ...
forms, which maximizes the total count to 29 crystal families. There are 23 Coxeter groups of paracompact hyperbolic honeycombs in the
third dimension Three-dimensional space (also: 3D space, 3-space or, rarely, tri-dimensional space) is a geometric setting in which three values (called ''parameters'') are required to determine the position of an element (i.e., point). This is the informal ...
, which generate
151 Year 151 ( CLI) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Condianus and Valerius (or, less frequently, year 904 ''Ab urbe con ...
unique Wythoffian constructions of paracompact honeycombs. There are also 23 four-dimensional Euclidean honeycombs that are generated from the _4 cubic group, and 23 five-dimensional uniform polytopes generated from the \mathrm D_ demihypercubic group. In two-dimensional geometry, the regular 23-sided
icositrigon In geometry, an icositrigon (or icosikaitrigon) or 23-gon is a 23-sided polygon. The icositrigon has the distinction of being the smallest regular polygon that is not neusis constructible. Regular icositrigon A '' regular icositrigon'' is rep ...
is the first regular polygon that is not constructible with a compass and straight edge or with the aide of an angle trisector (since it is neither a
Fermat prime In mathematics, a Fermat number, named after Pierre de Fermat, who first studied them, is a positive integer of the form :F_ = 2^ + 1, where ''n'' is a non-negative integer. The first few Fermat numbers are: : 3, 5, 17, 257, 65537, 429496 ...
nor a
Pierpont prime In number theory, a Pierpont prime is a prime number of the form 2^u\cdot 3^v + 1\, for some nonnegative integers and . That is, they are the prime numbers for which is 3-smooth. They are named after the mathematician James Pierpont, who us ...
), nor by
neusis In geometry, the neusis (; ; plural: grc, νεύσεις, neuseis, label=none) is a geometric construction method that was used in antiquity by Greek mathematicians. Geometric construction The neusis construction consists of fitting a lin ...
or a double-notched straight edge. It is also not constructible with origami, however it is through other traditional methods for all regular polygons.


In science and technology

* The
atomic number The atomic number or nuclear charge number (symbol ''Z'') of a chemical element is the charge number of an atomic nucleus. For ordinary nuclei, this is equal to the proton number (''n''p) or the number of protons found in the nucleus of ever ...
of
vanadium Vanadium is a chemical element with the symbol V and atomic number 23. It is a hard, silvery-grey, malleable transition metal. The elemental metal is rarely found in nature, but once isolated artificially, the formation of an oxide layer ( pass ...
. * The
atomic mass number The mass number (symbol ''A'', from the German word ''Atomgewicht'' tomic weight, also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus. It is approxi ...
of the stable isotope of
sodium Sodium is a chemical element with the symbol Na (from Latin ''natrium'') and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable ...
. * Normal human sex cells have 23
chromosome A chromosome is a long DNA molecule with part or all of the genetic material of an organism. In most chromosomes the very long thin DNA fibers are coated with packaging proteins; in eukaryotic cells the most important of these proteins ar ...
s. Other human cells have 46 chromosomes, arranged in 23 pairs. * Scientific notation for the
Avogadro constant The Avogadro constant, commonly denoted or , is the proportionality factor that relates the number of constituent particles (usually molecules, atoms or ions) in a sample with the amount of substance in that sample. It is an SI defining ...
is written as . * 23 is the width of the
Arecibo message The Arecibo message is an interstellar radio message carrying basic information about humanity and Earth that was sent to the globular cluster Messier 13 in 1974. It was meant as a demonstration of human technological achievement, rather than ...
, sent to space in search for extraterrestrial intelligence. * 23 is the
TCP/IP The Internet protocol suite, commonly known as TCP/IP, is a framework for organizing the set of communication protocols used in the Internet and similar computer networks according to functional criteria. The foundational protocols in the su ...
port used for
telnet Telnet is an application protocol used on the Internet or local area network to provide a bidirectional interactive text-oriented communication facility using a virtual terminal connection. User data is interspersed in-band with Telnet control i ...
and is the default for the telnet command. * The earth's axis is tilted at approximately 23°.


In religion

* In Biblical numerology, it is associated with Psalm 23, also known as the Shepherd Psalm. It is possibly the most quoted and best known Psalm. Psalms is also the 23rd book in the
Douay–Rheims Bible The Douay–Rheims Bible (, ), also known as the Douay–Rheims Version, Rheims–Douai Bible or Douai Bible, and abbreviated as D–R, DRB, and DRV, is a translation of the Bible from the Latin Vulgate into English made by member ...
. * In Islam, the
Qur'an The Quran (, ; Standard Arabic: , Quranic Arabic: , , 'the recitation'), also romanized Qur'an or Koran, is the central religious text of Islam, believed by Muslims to be a revelation from God. It is organized in 114 chapters (pl.: , si ...
was revealed in a total of 23 years to Muhammed. * Muslims believe the first verses of the Qur'an were revealed to the Islamic prophet Muhammad on the 23rd night of the 9th Islamic month. * '' Principia Discordia'', the sacred text of
Discordianism Discordianism is a religion, philosophy, or paradigm centered on Eris, a.k.a. Discordia, the Goddess of chaos. Discordianism uses archetypes or ideals associated with her. It was founded after the 1963 publication of its "holy book," the '' Pr ...
, holds that 23 (along with the discordian prime 5) is one of the sacred numbers of Eris, goddess of discord.


In popular culture


Music

*
Alfred Harth Alfred Harth, now known as Alfred 23 Harth or A23H, is a German multimedia artist, band leader, multi-instrumentalist musician, and composer who creatively mixes genres. Career Harth founded a free improvisation band, Just Music (1967 to 1972) ...
uses the number 23 in his artist name Alfred 23 Harth, or A23H, since the year 1+9+8+5 = 23. * ''
Twentythree ''Twentythree'' (alternatively styled "''twentythree''") is the major label debut album of American singer-songwriter Tristan Prettyman. It was released by Virgin Records America on August 2, 2005. It peaked at No. 24 on ''Billboard's'' Top Hea ...
'' is the name of Tristan Prettyman's debut album * ''Twentythree'' an album by
Carbon Based Lifeforms Carbon Based Lifeforms is a Swedish electronic music duo formed in Gothenburg in 1996 by Johannes Hedberg and Daniel Vadestrid ('' né'' Ringström). History Formation and early period Hedberg and Ringström (both born in 1976) first met in 1991 ...
* "''Viginti Tres''" (Latin for twenty-three) is a song by
Tool A tool is an object that can extend an individual's ability to modify features of the surrounding environment or help them accomplish a particular task. Although many animals use simple tools, only human beings, whose use of stone tools dates b ...
on their album '' 10,000 Days'' *
Blink-182 Blink-182 (stylized as blink-182) is an American rock band formed in Poway, California in 1992. Their current lineup consists of bassist/vocalist Mark Hoppus, guitarist/vocalist Tom DeLonge, and drummer Travis Barker. Though their sound has ...
's song "What's My Age Again?" includes the lyrics "nobody likes you when you're 23." * '' 23'' is an album and title track by Blonde Redhead * "23" is a song by Jimmy Eat World, on their album '' Futures''. The number also appears in the songs "Christmas Card" and "12."23".95" as well as on some items of clothing produced by the band. *
Four tet Kieran Hebden (born September 1977), known as Four Tet, is an English electronic musician. He came to prominence as a member of the post-rock band Fridge before establishing himself as a solo artist with charting UK albums such as '' Rounds'' ( ...
and
Yellowcard Yellowcard is an American rock band that formed in Jacksonville, Florida, in 1997 and was based in Los Angeles beginning in 2000. The band is recognized for having a distinct sound in their genre, primarily due to the prominent use of a violin ...
both have songs titled "Twenty-Three". * ''
Dear 23 ''Dear 23'' is the second album by Seattle Alternative rock/grunge/power pop band The Posies. The album was rereleased by Omnivore Recordings in 2018. The first single was " Golden Blunders," which was later covered by Ringo Starr. "Apology" appe ...
'', an album by The Posies * ''
Untitled 23 ''Untitled #23'' is the 23rd album by the Australian alternative rock band The Church, released in March 2009. It was their 23rd Australian album-length collection of original studio recordings, counting the four outtakes albums (''A Quick Smo ...
'', an album by The Church *
Noah23 Noah Raymond Brickley (born February 10, 1978), better known by his stage name Noah23, is a Canadian-American hip hop artist from Guelph, Ontario. He is co-founder of the Plague Language collective and record label, and has been described as "one ...
has several albums which reference the number 23. * "23 Minutes in Brussels", a song by Luna on their album '' Penthouse''. * The composer
Alban Berg Alban Maria Johannes Berg ( , ; 9 February 1885 – 24 December 1935) was an Austrian composer of the Second Viennese School. His compositional style combined Romantic lyricism with the twelve-tone technique. Although he left a relatively sm ...
had a particular interest in the number 23, using it to structure several works. Various suggestions have been made as to the reason for this interest: that he took it from the
Biorhythms The biorhythm theory is the pseudoscientific idea that our daily lives are significantly affected by rhythmic cycles with periods of exactly 23, 28 and 33 days,. typically a 23-day physical cycle, a 28-day emotional cycle, and a 33-day intellec ...
theory of
Wilhelm Fliess Wilhelm Fliess (german: Wilhelm Fließ; 24 October 1858 – 13 October 1928) was a German otolaryngologist who practised in Berlin. He developed the pseudoscientific theory of human biorhythms and a possible nasogenital connection that have ...
, in which a 23-day cycle is considered significant, or because he first suffered an asthma attack on 23rd of the month. * " 23" is a single by Mike Will Made It * On the cover of
The Beatles The Beatles were an English Rock music, rock band, formed in Liverpool in 1960, that comprised John Lennon, Paul McCartney, George Harrison and Ringo Starr. They are regarded as the Cultural impact of the Beatles, most influential band of al ...
' 1969 album '' Yellow Submarine'' the number 23 is displayed on the chest of one of the Blue Meanies. * Network 23 refers to members of the Spiral Tribe. Sometimes 23 used to discretely mark the spots of a freetekno rave. * The number 23 is used a lot throughout the visuals and music by the band
Gorillaz Gorillaz are an English virtual band formed in 1998 by musician Damon Albarn and artist Jamie Hewlett, from London. The band primarily consists of four fictional members: 2-D (vocals, keyboards), Murdoc Niccals (bass guitar), Noodle (guit ...
, who have even devoted a whole page of their autobiography ''
Rise Of The Ogre ''Rise of the Ogre'' is an autobiography about the virtual band Gorillaz, ostensibly written by the four band-members in collaboration with (actual) Gorillaz musician and official scribe Cass Browne. It was released in the UK on 26 October 2006 ...
'' to the
23 enigma The 23 enigma is a belief in the significance of the number 23. Origins Robert Anton Wilson cites William S. Burroughs as the first person to believe in the 23 enigma. Wilson, in an article in '' Fortean Times'', related the following anecdote ...
theory.


Film and television

* '' 23'' is a German film about Karl Koch. * In '' Jeepers Creepers'', the Creeper appears every 23 years for 23 days to feast on human flesh. * In '' L: Change the World'', the protagonist L signs his own name in the ''Death Note'' notebook and somehow knows that he has given himself 23 days to live, revealing a 23-day rule for the maximum number of days a person may live after they are added to the Japanese god of death's
Death Note ''Death Note'' (stylized in all caps) is a Japanese manga series written by Tsugumi Ohba and illustrated by Takeshi Obata. It was serialized in Shueisha's ''shōnen'' manga magazine ''Weekly Shōnen Jump'' from December 2003 to M ...
. * The 1980s TV series '' Max Headroom'' was set at Network 23. * In '' The Big Lebowski'', the main characters deliberately use only lane 23 at the bowling alley. * In ''
The Matrix Reloaded ''The Matrix Reloaded'' is a 2003 American science-fiction action film written and directed by the Wachowskis. It is a sequel to '' The Matrix'' (1999) and the second installment in the ''Matrix'' film series. The film stars Keanu Reeves, Lau ...
'', the Architect tells
Neo Neo or NEO may refer to: Arts and entertainment Fictional entities * Neo (''The Matrix''), the alias of Thomas Anderson, a hacker and the protagonist of the Matrix film series * Neo (''Marvel Comics'' species), a fictional race of superhumans * ...
it is of utmost importance to choose 23 people to repopulate Zion. * In the TV series ''
Lost Lost may refer to getting lost, or to: Geography * Lost, Aberdeenshire, a hamlet in Scotland *Lake Okeechobee Scenic Trail, or LOST, a hiking and cycling trail in Florida, US History *Abbreviation of lost work, any work which is known to have bee ...
'', 23 is one of the 6 reoccurring numbers (4, 8, 15, 16, 23, 42) that appear frequently throughout the show. * '' The Number 23'' is a 2007 film starring
Jim Carrey James Eugene Carrey (; born January 17, 1962) is a Canadian-American actor, comedian and artist. Known for his energetic slapstick performances, Carrey first gained recognition in 1990, after landing a role in the American sketch comedy t ...
about a man who becomes obsessed with the
23 enigma The 23 enigma is a belief in the significance of the number 23. Origins Robert Anton Wilson cites William S. Burroughs as the first person to believe in the 23 enigma. Wilson, in an article in '' Fortean Times'', related the following anecdote ...
.


Other fields

*
23 skidoo (phrase) ''23 skidoo'' (sometimes ''23 skiddoo'') is an American slang phrase generally referring to leaving quickly, being forced to leave quickly by someone else, or taking advantage of a propitious opportunity to leave. Popularized during the early 20 ...
(sometimes 23 skiddoo) is an American slang phrase popularized during the early 20th century. 23 skidoo has been described as "perhaps the first truly national fad expression and one of the most popular fad expressions to appear in the U.S". * The
23 enigma The 23 enigma is a belief in the significance of the number 23. Origins Robert Anton Wilson cites William S. Burroughs as the first person to believe in the 23 enigma. Wilson, in an article in '' Fortean Times'', related the following anecdote ...
, proposed by William S. Burroughs plays a prominent role in the plot of '' the Illuminatus! Trilogy'' by
Robert Shea Robert Joseph Shea (February 14, 1933 – March 10, 1994) was an American novelist and former journalist best known as co-author with Robert Anton Wilson of the science fantasy trilogy '' Illuminatus!'' It became a cult success and was later turne ...
and
Robert Anton Wilson Robert Anton Wilson (born Robert Edward Wilson; January 18, 1932 – January 11, 2007) was an American author, futurist, psychologist, and self-described agnostic mystic. Recognized within Discordianism as an Episkopos, pope and saint, Wilso ...
. * ''The 23'', in
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring coun ...
, refers to the 23
conscientious objector A conscientious objector (often shortened to conchie) is an "individual who has claimed the right to refuse to perform military service" on the grounds of freedom of thought, conscience, or religion. The term has also been extended to objec ...
s who publicly refused to do military service in the
Apartheid Apartheid (, especially South African English: , ; , "aparthood") was a system of institutionalised racial segregation that existed in South Africa and South West Africa (now Namibia) from 1948 to the early 1990s. Apartheid was ...
army in 1987. The following years the number increased to 143 (in 1988) and 771 (in 1989), with Apartheid being dismantled from 1990 onwards. *
X-23 Laura Kinney (born X-23; codename Wolverine) is a fictional superhero appearing in media published by Marvel Entertainment, most commonly in association with the X-Men. The character was created by writer Craig Kyle for the '' X-Men: Evolutio ...
is a character in the
Marvel Universe The Marvel Universe is a fictional shared universe where the stories in most American comic book titles and other media published by Marvel Comics take place. Super-teams such as the Avengers, the X-Men, the Fantastic Four, the Guardians o ...
. She is named for being the 23rd attempt to create a female genetic twin of
Wolverine The wolverine (), (''Gulo gulo''; ''Gulo'' is Latin for " glutton"), also referred to as the glutton, carcajou, or quickhatch (from East Cree, ''kwiihkwahaacheew''), is the largest land-dwelling species of the family Mustelidae. It is a musc ...
after attempts to create a male clone failed. * 23 is the number of times Julius Caesar was stabbed in the Theatre of Pompey.


In sports

* Each national team competing in the
FIFA World Cup The FIFA World Cup, often simply called the World Cup, is an international association football competition contested by the senior men's national teams of the members of the ' ( FIFA), the sport's global governing body. The tournament has ...
or
FIFA Women's World Cup The FIFA Women's World Cup is an international association football competition contested by the senior women's national teams of the members of Fédération Internationale de Football Association (FIFA), the sport's international governing bod ...
is allowed a 23-player squad. This squad size has been in place since
2002 File:2002 Events Collage.png, From left, clockwise: The 2002 Winter Olympics are held in Salt Lake City; Queen Elizabeth The Queen Mother and her daughter Princess Margaret, Countess of Snowdon die; East Timor gains East Timor independence, indepe ...
for men and
2015 File:2015 Events Collage new.png, From top left, clockwise: Civil service in remembrance of November 2015 Paris attacks; Germanwings Flight 9525 was purposely crashed into the French Alps; the rubble of residences in Kathmandu following the April ...
for women. *
Nissan , trading as Nissan Motor Corporation and often shortened to Nissan, is a Japanese multinational automobile manufacturer headquartered in Nishi-ku, Yokohama, Japan. The company sells its vehicles under the Nissan, Infiniti, and Datsun bra ...
typically uses this number for their
Motorsport Motorsport, motorsports or motor sport is a global term used to encompass the group of competitive sporting events which primarily involve the use of motorized vehicles. The terminology can also be used to describe forms of competition of t ...
manufacturer teams, as the numbers 2 and 3 are pronounced "ni" and "san" in Japanese. * 23 was basketball legend
Michael Jordan Michael Jeffrey Jordan (born February 17, 1963), also known by his initials MJ, is an American businessman and former professional basketball player. His biography on the official NBA website states: "By acclamation, Michael Jordan is the g ...
's jersey number prior to his first retirement, then his chosen number again when he came out of retirement after a brief stint wearing the number 45. *23 was also the jersey number of
Los Angeles Lakers The Los Angeles Lakers are an American professional basketball team based in Los Angeles. The Lakers compete in the National Basketball Association (NBA) as a member of the league's Western Conference Pacific Division. The Lakers play their ...
small forward
LeBron James LeBron Raymone James Sr. (; born December 30, 1984) is an American professional basketball player for the Los Angeles Lakers of the National Basketball Association (NBA). Nicknamed "King James", he is widely considered one of the greatest p ...
, however he changed it to 6 in the 2021–22 NBA season. * The maximum number of players on an NHL roster.


References


External links


23 facts, 23 images, 23 gallery, and links to other 23's
{{Integers, zero Integers