623404056516 has 24 divisors (see below), whose sum is σ = 1504768413120. Its totient is φ = 200635788192.

The previous prime is 623404056503. The next prime is 623404056521. The reversal of 623404056516 is 615650404326.

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, 895695136 + ... + 895695831.

It is an arithmetic number, because the mean of its divisors is an integer number (62698683880).

Almost surely, 2^623404056516 is an apocalyptic number.

It is an amenable number.

623404056516 is an abundant number, since it is smaller than the sum of its proper divisors (881364356604).

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

623404056516 is a wasteful number, since it uses less digits than its factorization.

623404056516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791391003 (or 1791391001 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 623404056516 in words is "six hundred twenty-three billion, four hundred four million, fifty-six thousand, five hundred sixteen".