23113220313 has 16 divisors (see below), whose sum is σ = 31929655680. Its totient is φ = 14854444416.

The previous prime is 23113220309. The next prime is 23113220327. The reversal of 23113220313 is 31302231132.

It is not a de Polignac number, because 23113220313 - 2² = 23113220309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23113220313.

It is not an unprimeable number, because it can be changed into a prime (23113220353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149020 + ... + 261597.

It is an arithmetic number, because the mean of its divisors is an integer number (1995603480).

Almost surely, 2^23113220313 is an apocalyptic number.

It is an amenable number.

23113220313 is a deficient number, since it is larger than the sum of its proper divisors (8816435367).

23113220313 is a wasteful number, since it uses less digits than its factorization.

23113220313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411296.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23113220313 its reverse (31302231132), we get a palindrome (54415451445).

The spelling of 23113220313 in words is "twenty-three billion, one hundred thirteen million, two hundred twenty thousand, three hundred thirteen".