623300728 has 16 divisors (see below), whose sum is σ = 1169010000. Its totient is φ = 311564736.

The previous prime is 623300687. The next prime is 623300729. The reversal of 623300728 is 827003326.

It is a self number, because there is not a number n which added to its sum of digits gives 623300728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623300729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28813 + ... + 45571.

It is an arithmetic number, because the mean of its divisors is an integer number (73063125).

Almost surely, 2^623300728 is an apocalyptic number.

It is an amenable number.

623300728 is a deficient number, since it is larger than the sum of its proper divisors (545709272).

623300728 is a wasteful number, since it uses less digits than its factorization.

623300728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21414 (or 21410 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 623300728 is about 24965.9914283411. The cubic root of 623300728 is about 854.2124129069.

The spelling of 623300728 in words is "six hundred twenty-three million, three hundred thousand, seven hundred twenty-eight".