623054938 has 24 divisors (see below), whose sum is σ = 1032227136. Its totient is φ = 279726600.

The previous prime is 623054923. The next prime is 623054977. The reversal of 623054938 is 839450326.

It is a self number, because there is not a number n which added to its sum of digits gives 623054938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149503 + ... + 153613.

It is an arithmetic number, because the mean of its divisors is an integer number (43009464).

Almost surely, 2^623054938 is an apocalyptic number.

623054938 is a deficient number, since it is larger than the sum of its proper divisors (409172198).

623054938 is a wasteful number, since it uses less digits than its factorization.

623054938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290 (or 4207 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 623054938 is about 24961.0684466831. The cubic root of 623054938 is about 854.1001158709.

The spelling of 623054938 in words is "six hundred twenty-three million, fifty-four thousand, nine hundred thirty-eight".