The square root of 123904 is 352.
It is a Duffinian number.
It is a nialpdrome in base 11.
It is an unprimeable number.
123904 is a Friedman number, since it can be written as (4*(91-3))^(2+0), using all its digits and the basic arithmetic operations.
2123904 is an apocalyptic number.
123904 is the 352-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 123904
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123904 is an equidigital number, since it uses as much as digits as its factorization.
123904 is an odious number, because the sum of its binary digits is odd.
The cubic root of 123904 is about 49.8534374750.
The spelling of 123904 in words is "one hundred twenty-three thousand, nine hundred four".