623207980 has 24 divisors (see below), whose sum is σ = 1377618480. Its totient is φ = 236162880.

The previous prime is 623207971. The next prime is 623208031. The reversal of 623207980 is 89702326.

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, 819631 + ... + 820390.

It is an arithmetic number, because the mean of its divisors is an integer number (57400770).

Almost surely, 2^623207980 is an apocalyptic number.

It is an amenable number.

623207980 is an abundant number, since it is smaller than the sum of its proper divisors (754410500).

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

623207980 is a wasteful number, since it uses less digits than its factorization.

623207980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640049 (or 1640047 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 623207980 is about 24964.1338724178. The cubic root of 623207980 is about 854.1700414805.

The spelling of 623207980 in words is "six hundred twenty-three million, two hundred seven thousand, nine hundred eighty".