23112232512 has 28 divisors (see below), whose sum is σ = 61151115696. Its totient is φ = 7704077440.

The previous prime is 23112232501. The next prime is 23112232531. The reversal of 23112232512 is 21523221132.

It is a super-4 number, since 4×23112232512⁴ (a number of 43 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 60187914 + ... + 60188297.

Almost surely, 2^23112232512 is an apocalyptic number.

It is an amenable number.

23112232512 is an abundant number, since it is smaller than the sum of its proper divisors (38038883184).

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

23112232512 is a wasteful number, since it uses less digits than its factorization.

23112232512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120376226 (or 120376216 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

Adding to 23112232512 its reverse (21523221132), we get a palindrome (44635453644).

The spelling of 23112232512 in words is "twenty-three billion, one hundred twelve million, two hundred thirty-two thousand, five hundred twelve".