623440796 has 24 divisors (see below), whose sum is σ = 1260218736. Its totient is φ = 266712320.

The previous prime is 623440751. The next prime is 623440799. The reversal of 623440796 is 697044326.

623440796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×623440796² = 777356852234227232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623440799) 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, 415991 + ... + 417486.

It is an arithmetic number, because the mean of its divisors is an integer number (52509114).

Almost surely, 2^623440796 is an apocalyptic number.

It is an amenable number.

623440796 is an abundant number, since it is smaller than the sum of its proper divisors (636777940).

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

623440796 is a wasteful number, since it uses less digits than its factorization.

623440796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833509 (or 833507 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 623440796 is about 24968.7964467653. The cubic root of 623440796 is about 854.2763942553.

The spelling of 623440796 in words is "six hundred twenty-three million, four hundred forty thousand, seven hundred ninety-six".