23215253412 has 48 divisors (see below), whose sum is σ = 60872112000. Its totient is φ = 6832581888.

The previous prime is 23215253401. The next prime is 23215253429. The reversal of 23215253412 is 21435251232.

It is a self number, because there is not a number n which added to its sum of digits gives 23215253412.

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, 3231537 + ... + 3238712.

It is an arithmetic number, because the mean of its divisors is an integer number (1268169000).

Almost surely, 2^23215253412 is an apocalyptic number.

It is an amenable number.

23215253412 is an abundant number, since it is smaller than the sum of its proper divisors (37656858588).

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

23215253412 is a wasteful number, since it uses less digits than its factorization.

23215253412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6470292 (or 6470290 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The spelling of 23215253412 in words is "twenty-three billion, two hundred fifteen million, two hundred fifty-three thousand, four hundred twelve".