23304256720 has 40 divisors (see below), whose sum is σ = 54281552544. Its totient is φ = 9304643712.

The previous prime is 23304256687. The next prime is 23304256733. The reversal of 23304256720 is 2765240332.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222514 + ... + 310033.

Almost surely, 2^23304256720 is an apocalyptic number.

23304256720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23304256720 is an abundant number, since it is smaller than the sum of its proper divisors (30977295824).

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

23304256720 is a wasteful number, since it uses less digits than its factorization.

23304256720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533107 (or 533101 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 34.

The spelling of 23304256720 in words is "twenty-three billion, three hundred four million, two hundred fifty-six thousand, seven hundred twenty".