23591057412 has 48 divisors (see below), whose sum is σ = 61192366592. Its totient is φ = 7024631040.

The previous prime is 23591057411. The next prime is 23591057417. The reversal of 23591057412 is 21475019532.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (23591057411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2434273 + ... + 2443944.

Almost surely, 2^23591057412 is an apocalyptic number.

It is an amenable number.

23591057412 is an abundant number, since it is smaller than the sum of its proper divisors (37601309180).

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

23591057412 is a wasteful number, since it uses less digits than its factorization.

23591057412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878268 (or 4878266 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 23591057412 in words is "twenty-three billion, five hundred ninety-one million, fifty-seven thousand, four hundred twelve".