23013313111011 has 16 divisors (see below), whose sum is σ = 30715977612320. Its totient is φ = 15326430474240.

The previous prime is 23013313111007. The next prime is 23013313111069. The reversal of 23013313111011 is 11011131331032.

It is not a de Polignac number, because 23013313111011 - 2² = 23013313111007 is a prime.

It is a super-2 number, since 2×23013313111011² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23013313111081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53114931 + ... + 53546451.

It is an arithmetic number, because the mean of its divisors is an integer number (1919748600770).

Almost surely, 2^{23013313111011} is an apocalyptic number.

23013313111011 is a deficient number, since it is larger than the sum of its proper divisors (7702664501309).

23013313111011 is a wasteful number, since it uses less digits than its factorization.

23013313111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449766.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 23013313111011 its reverse (11011131331032), we get a palindrome (34024444442043).

The spelling of 23013313111011 in words is "twenty-three trillion, thirteen billion, three hundred thirteen million, one hundred eleven thousand, eleven".