23012557424 has 20 divisors (see below), whose sum is σ = 45124023336. Its totient is φ = 11367648192.

The previous prime is 23012557423. The next prime is 23012557459. The reversal of 23012557424 is 42475521032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012557423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8663039 + ... + 8665694.

Almost surely, 2^23012557424 is an apocalyptic number.

It is an amenable number.

23012557424 is a deficient number, since it is larger than the sum of its proper divisors (22111465912).

23012557424 is a wasteful number, since it uses less digits than its factorization.

23012557424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17328824 (or 17328818 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 23012557424 in words is "twenty-three billion, twelve million, five hundred fifty-seven thousand, four hundred twenty-four".