23231552416 has 12 divisors (see below), whose sum is σ = 45737118882. Its totient is φ = 11615776192.

The previous prime is 23231552387. The next prime is 23231552417. The reversal of 23231552416 is 61425513232.

It can be written as a sum of positive squares in only one way, i.e., 19153452816 + 4078099600 = 138396^2 + 63860^2 .

It is not an unprimeable number, because it can be changed into a prime (23231552417) by changing a digit.

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 as a sum of consecutive naturals, namely, 362992975 + ... + 362993038.

Almost surely, 2^23231552416 is an apocalyptic number.

It is an amenable number.

23231552416 is a deficient number, since it is larger than the sum of its proper divisors (22505566466).

23231552416 is an equidigital number, since it uses as much as digits as its factorization.

23231552416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725986023 (or 725986015 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The spelling of 23231552416 in words is "twenty-three billion, two hundred thirty-one million, five hundred fifty-two thousand, four hundred sixteen".