Fatto generale: 23983 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 23983 is a boring number.
Trivia: 23983 is an uninteresting number.
Data storica: August 29th is the day in 1655 that Warsaw falls without resistance to a small force under the command of Charles X Gustav of Sweden during The Deluge.