23011112312 has 16 divisors (see below), whose sum is σ = 45021741840. Its totient is φ = 11005314496.

The previous prime is 23011112227. The next prime is 23011112339. The reversal of 23011112312 is 21321111032.

It is a super-2 number, since 2×23011112312² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62530013 + ... + 62530380.

It is an arithmetic number, because the mean of its divisors is an integer number (2813858865).

Almost surely, 2^23011112312 is an apocalyptic number.

It is an amenable number.

23011112312 is a deficient number, since it is larger than the sum of its proper divisors (22010629528).

23011112312 is a wasteful number, since it uses less digits than its factorization.

23011112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125060422 (or 125060418 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 23011112312 its reverse (21321111032), we get a palindrome (44332223344).

The spelling of 23011112312 in words is "twenty-three billion, eleven million, one hundred twelve thousand, three hundred twelve".