23158512412 has 48 divisors (see below), whose sum is σ = 51173821440. Its totient is φ = 8935103232.

The previous prime is 23158512373. The next prime is 23158512437. The reversal of 23158512412 is 21421585132.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1046712 + ... + 1068607.

It is an arithmetic number, because the mean of its divisors is an integer number (1066121280).

Almost surely, 2^23158512412 is an apocalyptic number.

It is an amenable number.

23158512412 is an abundant number, since it is smaller than the sum of its proper divisors (28015309028).

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

23158512412 is a wasteful number, since it uses less digits than its factorization.

23158512412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115370 (or 2115368 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The spelling of 23158512412 in words is "twenty-three billion, one hundred fifty-eight million, five hundred twelve thousand, four hundred twelve".