623463012 has 18 divisors (see below), whose sum is σ = 1575976038. Its totient is φ = 207820992.

The previous prime is 623462963. The next prime is 623463019. The reversal of 623463012 is 210364326.

623463012 is a `hidden beast` number, since 6 + 23 + 4 + 630 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 620308836 + 3154176 = 24906^2 + 1776^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×623463012² = 777412254664224288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (623463019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8659173 + ... + 8659244.

Almost surely, 2^623463012 is an apocalyptic number.

It is an amenable number.

623463012 is an abundant number, since it is smaller than the sum of its proper divisors (952513026).

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

623463012 is a wasteful number, since it uses less digits than its factorization.

623463012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17318427 (or 17318422 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 623463012 is about 24969.2413180697. The cubic root of 623463012 is about 854.2865413716.

The spelling of 623463012 in words is "six hundred twenty-three million, four hundred sixty-three thousand, twelve".