23311111013 has 16 divisors (see below), whose sum is σ = 24318560256. Its totient is φ = 22320871920.

The previous prime is 23311110983. The next prime is 23311111079. The reversal of 23311111013 is 31011111332.

It is a cyclic number.

It is not a de Polignac number, because 23311111013 - 2¹⁴ = 23311094629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23311110982 and 23311111000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311116013) 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, 1136870 + ... + 1157192.

It is an arithmetic number, because the mean of its divisors is an integer number (1519910016).

Almost surely, 2^23311111013 is an apocalyptic number.

It is an amenable number.

23311111013 is a deficient number, since it is larger than the sum of its proper divisors (1007449243).

23311111013 is a wasteful number, since it uses less digits than its factorization.

23311111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20744.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 23311111013 its reverse (31011111332), we get a palindrome (54322222345).

The spelling of 23311111013 in words is "twenty-three billion, three hundred eleven million, one hundred eleven thousand, thirteen".