623426052 has 12 divisors (see below), whose sum is σ = 1454660816. Its totient is φ = 207808680.

The previous prime is 623426009. The next prime is 623426071. The reversal of 623426052 is 250624326.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 25976074 + ... + 25976097.

Almost surely, 2^623426052 is an apocalyptic number.

It is an amenable number.

623426052 is an abundant number, since it is smaller than the sum of its proper divisors (831234764).

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

623426052 is a wasteful number, since it uses less digits than its factorization.

623426052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51952178 (or 51952176 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 623426052 is about 24968.5011965076. The cubic root of 623426052 is about 854.2696598278.

The spelling of 623426052 in words is "six hundred twenty-three million, four hundred twenty-six thousand, fifty-two".