623563424 has 48 divisors (see below), whose sum is σ = 1371940416. Its totient is φ = 276518400.

The previous prime is 623563403. The next prime is 623563427. The reversal of 623563424 is 424365326.

It is not an unprimeable number, because it can be changed into a prime (623563427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7172 + ... + 36035.

It is an arithmetic number, because the mean of its divisors is an integer number (28582092).

Almost surely, 2^623563424 is an apocalyptic number.

It is an amenable number.

623563424 is an abundant number, since it is smaller than the sum of its proper divisors (748376992).

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

623563424 is a wasteful number, since it uses less digits than its factorization.

623563424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43269 (or 43261 counting only the distinct ones).

The product of its digits is 103680, while the sum is 35.

The square root of 623563424 is about 24971.2519509936. The cubic root of 623563424 is about 854.3324013579.

The spelling of 623563424 in words is "six hundred twenty-three million, five hundred sixty-three thousand, four hundred twenty-four".