623312421204 has 36 divisors (see below), whose sum is σ = 1598633238272. Its totient is φ = 188882551440.

The previous prime is 623312421203. The next prime is 623312421247. The reversal of 623312421204 is 402124213326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623312421203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214637812 + ... + 214640715.

Almost surely, 2^623312421204 is an apocalyptic number.

It is an amenable number.

623312421204 is an abundant number, since it is smaller than the sum of its proper divisors (975320817068).

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

623312421204 is a wasteful number, since it uses less digits than its factorization.

623312421204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429278556 (or 429278543 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 623312421204 in words is "six hundred twenty-three billion, three hundred twelve million, four hundred twenty-one thousand, two hundred four".