Hecho general: 23447 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 23447 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 23447 is a boring number.
Fecha histórica: March 11th is the day in 2011 that an earthquake measuring 9.0 in magnitude strikes 130 km (81 mi) east of Sendai, Japan, triggering a tsunami killing thousands of people.