623499712 has 56 divisors (see below), whose sum is σ = 1354043520. Its totient is φ = 282504960.

The previous prime is 623499689. The next prime is 623499731. The reversal of 623499712 is 217994326.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251503 + ... + 253969.

Almost surely, 2^623499712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623499712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677021760).

623499712 is an abundant number, since it is smaller than the sum of its proper divisors (730543808).

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

623499712 is a wasteful number, since it uses less digits than its factorization.

623499712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849 (or 2839 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 623499712 is about 24969.9762114424. The cubic root of 623499712 is about 854.3033034999.

It can be divided in two parts, 6234997 and 12, that added together give a square (6235009 = 2497²).

The spelling of 623499712 in words is "six hundred twenty-three million, four hundred ninety-nine thousand, seven hundred twelve".