423 lightyears equals 4,001,888,989,901,678,592 meters.
Convert 423 lightyears into kilometers, decimeters, centimeters, milimeters, micrometers, nanometers, picometers, inches, feet, yards, miles, hands, astronomical units, parsecs, etc...
Convert 4.0018889899017E+18 meters into kilometers, decimeters, centimeters, milimeters, micrometers, nanometers, picometers, inches, feet, yards, miles, hands, astronomical units, parsecs, etc...