123668904 has 32 divisors (see below), whose sum is σ = 309553920. Its totient is φ = 41172096.

The previous prime is 123668879. The next prime is 123668927. The reversal of 123668904 is 409866321.

It is a super-2 number, since 2×123668904² = 30587995633122432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20169 + ... + 25575.

It is an arithmetic number, because the mean of its divisors is an integer number (9673560).

Almost surely, 2^123668904 is an apocalyptic number.

It is an amenable number.

123668904 is an abundant number, since it is smaller than the sum of its proper divisors (185885016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123668904 is a wasteful number, since it uses less digits than its factorization.

123668904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6369 (or 6365 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 123668904 is about 11120.6521391508. The cubic root of 123668904 is about 498.2188680050.

The spelling of 123668904 in words is "one hundred twenty-three million, six hundred sixty-eight thousand, nine hundred four".