23513321113 has 4 divisors (see below), whose sum is σ = 23741605888. Its totient is φ = 23285036340.

The previous prime is 23513321101. The next prime is 23513321119. The reversal of 23513321113 is 31112331532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23513321113 - 2⁵ = 23513321081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23513321119) 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 3 ways as a sum of consecutive naturals, for example, 114142233 + ... + 114142438.

It is an arithmetic number, because the mean of its divisors is an integer number (5935401472).

Almost surely, 2^23513321113 is an apocalyptic number.

It is an amenable number.

23513321113 is a deficient number, since it is larger than the sum of its proper divisors (228284775).

23513321113 is a wasteful number, since it uses less digits than its factorization.

23513321113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228284774.

The product of its digits is 1620, while the sum is 25.

Adding to 23513321113 its reverse (31112331532), we get a palindrome (54625652645).

The spelling of 23513321113 in words is "twenty-three billion, five hundred thirteen million, three hundred twenty-one thousand, one hundred thirteen".