623303732 has 24 divisors (see below), whose sum is σ = 1131067392. Its totient is φ = 300232800.

The previous prime is 623303719. The next prime is 623303741. The reversal of 623303732 is 237303326.

It is a happy number.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 623303695 and 623303704.

It is a congruent number.

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, 16382 + ... + 38922.

It is an arithmetic number, because the mean of its divisors is an integer number (47127808).

Almost surely, 2^623303732 is an apocalyptic number.

623303732 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

623303732 is a deficient number, since it is larger than the sum of its proper divisors (507763660).

623303732 is a wasteful number, since it uses less digits than its factorization.

623303732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22799 (or 22797 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 29.

The square root of 623303732 is about 24966.0515901093. The cubic root of 623303732 is about 854.2137851980.

The spelling of 623303732 in words is "six hundred twenty-three million, three hundred three thousand, seven hundred thirty-two".