You are 123 years old if you were born on September 13, 1900.
You are 123 years 7 months and 6 days old or 1483 months old or 6,449 weeks old or 45,144 days old or 1,083,456 hours old or 65,007,360 minutes old or 3,900,441,600 seconds old You were born on a Thursday.