You are 123 years old if you were born on December 5, 1900.
You are 123 years 3 months, 3 weeks, and 3 days old or 1479 months old or 6,434 weeks old or 45,040 days old or 1,080,960 hours old or 64,857,600 minutes old or 3,891,456,000 seconds old You were born on a Wednesday.