123412656504 has 32 divisors (see below), whose sum is σ = 308565245520. Its totient is φ = 41133071616.

The previous prime is 123412656463. The next prime is 123412656529. The reversal of 123412656504 is 405656214321.

It is a congruent number.

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, 51279 + ... + 499454.

Almost surely, 2^123412656504 is an apocalyptic number.

It is an amenable number.

123412656504 is an abundant number, since it is smaller than the sum of its proper divisors (185152589016).

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

123412656504 is a wasteful number, since it uses less digits than its factorization.

123412656504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560079 (or 560075 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 123412656504 in words is "one hundred twenty-three billion, four hundred twelve million, six hundred fifty-six thousand, five hundred four".