623085568920 has 96 divisors (see below), whose sum is σ = 2028238074720. Its totient is φ = 165892769280.

The previous prime is 623085568883. The next prime is 623085568943. The reversal of 623085568920 is 29865580326.

623085568920 is a `hidden beast` number, since 6 + 2 + 3 + 0 + 8 + 556 + 89 + 2 + 0 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1144309 + ... + 1598628.

It is an arithmetic number, because the mean of its divisors is an integer number (21127479945).

Almost surely, 2^623085568920 is an apocalyptic number.

623085568920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

623085568920 is an abundant number, since it is smaller than the sum of its proper divisors (1405152505800).

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

623085568920 is a wasteful number, since it uses less digits than its factorization.

623085568920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743585 (or 2743578 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 623085568920 in words is "six hundred twenty-three billion, eighty-five million, five hundred sixty-eight thousand, nine hundred twenty".