23531590412 has 12 divisors (see below), whose sum is σ = 44923945416. Its totient is φ = 10696177440.

The previous prime is 23531590399. The next prime is 23531590441. The reversal of 23531590412 is 21409513532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267404393 + ... + 267404480.

It is an arithmetic number, because the mean of its divisors is an integer number (3743662118).

Almost surely, 2^23531590412 is an apocalyptic number.

23531590412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23531590412 is a deficient number, since it is larger than the sum of its proper divisors (21392355004).

23531590412 is a wasteful number, since it uses less digits than its factorization.

23531590412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534808888 (or 534808886 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 23531590412 in words is "twenty-three billion, five hundred thirty-one million, five hundred ninety thousand, four hundred twelve".