623765928 has 16 divisors (see below), whose sum is σ = 1559414880. Its totient is φ = 207921968.

The previous prime is 623765927. The next prime is 623765929. The reversal of 623765928 is 829567326.

623765928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (623765927) and next prime (623765929).

It is not an unprimeable number, because it can be changed into a prime (623765927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12995100 + ... + 12995147.

It is an arithmetic number, because the mean of its divisors is an integer number (97463430).

Almost surely, 2^623765928 is an apocalyptic number.

It is an amenable number.

623765928 is an abundant number, since it is smaller than the sum of its proper divisors (935648952).

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

623765928 is a wasteful number, since it uses less digits than its factorization.

623765928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25990256 (or 25990252 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 623765928 is about 24975.3063644873. The cubic root of 623765928 is about 854.4248736429.

The spelling of 623765928 in words is "six hundred twenty-three million, seven hundred sixty-five thousand, nine hundred twenty-eight".