XXIII is the Roman numeral for the number 23. It is often associated with various cultural and historical contexts, including sports, mathematics, and literature. In mathematics, 23 is a prime number, meaning it can only be divided by 1 and itself. In popular culture, the number 23 has gained attention through various films and books, such as the movie The Number 23 starring Jim Carrey. Additionally, some people believe in the significance of the number 23 in numerology, attributing special meanings or coincidences to it.