623631052 has 12 divisors (see below), whose sum is σ = 1190568456. Its totient is φ = 283468640.

The previous prime is 623631049. The next prime is 623631083. The reversal of 623631052 is 250136326.

It is a self number, because there is not a number n which added to its sum of digits gives 623631052.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7086673 + ... + 7086760.

It is an arithmetic number, because the mean of its divisors is an integer number (99214038).

Almost surely, 2^623631052 is an apocalyptic number.

It is an amenable number.

623631052 is a deficient number, since it is larger than the sum of its proper divisors (566937404).

623631052 is a wasteful number, since it uses less digits than its factorization.

623631052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14173448 (or 14173446 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 623631052 is about 24972.6060314097. The cubic root of 623631052 is about 854.3632855208.

Adding to 623631052 its reverse (250136326), we get a palindrome (873767378).

The spelling of 623631052 in words is "six hundred twenty-three million, six hundred thirty-one thousand, fifty-two".