Fatto generale: 23465 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 23465 is a boring number.
Trivia: 23465 is a boring number.
Data storica: March 29th is the day in 1990 that the Czechoslovak parliament is unable to reach an agreement on what to call the country after the fall of Communism, sparking the so-called Hyphen War.