523463012136 has 64 divisors (see below), whose sum is σ = 1465163726400. Its totient is φ = 173155694400.

The previous prime is 523463012123. The next prime is 523463012153. The reversal of 523463012136 is 631210364325.

523463012136 is a `hidden beast` number, since 5 + 2 + 3 + 4 + 630 + 1 + 2 + 13 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 523463012136.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9221475 + ... + 9278066.

It is an arithmetic number, because the mean of its divisors is an integer number (22893183225).

Almost surely, 2^523463012136 is an apocalyptic number.

It is an amenable number.

523463012136 is an abundant number, since it is smaller than the sum of its proper divisors (941700714264).

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

523463012136 is a wasteful number, since it uses less digits than its factorization.

523463012136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18499687 (or 18499677 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 523463012136 in words is "five hundred twenty-three billion, four hundred sixty-three million, twelve thousand, one hundred thirty-six".