Fatto generale: 19357 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 19357 is an unremarkable number.
Trivia: 19357 is a boring number.
Data storica: December 29th is the day in 1937 that the Irish Free State is replaced by a new state called Ireland with the adoption of a new constitution.