623612938 has 32 divisors (see below), whose sum is σ = 1113025536. Its totient is φ = 259108608.

The previous prime is 623612923. The next prime is 623612953. The reversal of 623612938 is 839216326.

It is an interprime number because it is at equal distance from previous prime (623612923) and next prime (623612953).

It is a self number, because there is not a number n which added to its sum of digits gives 623612938.

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, 20506 + ... + 40837.

It is an arithmetic number, because the mean of its divisors is an integer number (34782048).

Almost surely, 2^623612938 is an apocalyptic number.

623612938 is a deficient number, since it is larger than the sum of its proper divisors (489412598).

623612938 is a wasteful number, since it uses less digits than its factorization.

623612938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61398.

The product of its digits is 93312, while the sum is 40.

The square root of 623612938 is about 24972.2433513691. The cubic root of 623612938 is about 854.3550134897.

The spelling of 623612938 in words is "six hundred twenty-three million, six hundred twelve thousand, nine hundred thirty-eight".