123800904 has 48 divisors (see below), whose sum is σ = 349876800. Its totient is φ = 39472224.

The previous prime is 123800893. The next prime is 123800909. The reversal of 123800904 is 409008321.

It is not an unprimeable number, because it can be changed into a prime (123800909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35724 + ... + 39035.

It is an arithmetic number, because the mean of its divisors is an integer number (7289100).

Almost surely, 2^123800904 is an apocalyptic number.

It is an amenable number.

123800904 is an abundant number, since it is smaller than the sum of its proper divisors (226075896).

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

123800904 is a wasteful number, since it uses less digits than its factorization.

123800904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74794 (or 74787 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 123800904 is about 11126.5854600592. The cubic root of 123800904 is about 498.3960656241.

The spelling of 123800904 in words is "one hundred twenty-three million, eight hundred thousand, nine hundred four".