23112122013 has 128 divisors (see below), whose sum is σ = 38726553600. Its totient is φ = 13553049600.

The previous prime is 23112121997. The next prime is 23112122021. The reversal of 23112122013 is 31022121132.

It is not a de Polignac number, because 23112122013 - 2⁴ = 23112121997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112129013) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 100926183 + ... + 100926411.

It is an arithmetic number, because the mean of its divisors is an integer number (302551200).

Almost surely, 2^23112122013 is an apocalyptic number.

It is an amenable number.

23112122013 is a deficient number, since it is larger than the sum of its proper divisors (15614431587).

23112122013 is a wasteful number, since it uses less digits than its factorization.

23112122013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23112122013 its reverse (31022121132), we get a palindrome (54134243145).

The spelling of 23112122013 in words is "twenty-three billion, one hundred twelve million, one hundred twenty-two thousand, thirteen".