623261530 has 16 divisors (see below), whose sum is σ = 1123729920. Its totient is φ = 248891472.

The previous prime is 623261519. The next prime is 623261629. The reversal of 623261530 is 35162326.

623261530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45270 + ... + 57409.

It is an arithmetic number, because the mean of its divisors is an integer number (70233120).

Almost surely, 2^623261530 is an apocalyptic number.

623261530 is a deficient number, since it is larger than the sum of its proper divisors (500468390).

623261530 is a wasteful number, since it uses less digits than its factorization.

623261530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103293.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 623261530 is about 24965.2063880914. The cubic root of 623261530 is about 854.1945060237.

The spelling of 623261530 in words is "six hundred twenty-three million, two hundred sixty-one thousand, five hundred thirty".