20232311320013 has 16 divisors (see below), whose sum is σ = 22956207617280. Its totient is φ = 17676992314944.

The previous prime is 20232311319991. The next prime is 20232311320049. The reversal of 20232311320013 is 31002311323202.

It is not a de Polignac number, because 20232311320013 - 2²⁴ = 20232294542797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232311320093) 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, 36859106 + ... + 37403987.

It is an arithmetic number, because the mean of its divisors is an integer number (1434762976080).

Almost surely, 2^{20232311320013} is an apocalyptic number.

It is an amenable number.

20232311320013 is a deficient number, since it is larger than the sum of its proper divisors (2723896297267).

20232311320013 is a wasteful number, since it uses less digits than its factorization.

20232311320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74264228.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20232311320013 its reverse (31002311323202), we get a palindrome (51234622643215).

The spelling of 20232311320013 in words is "twenty trillion, two hundred thirty-two billion, three hundred eleven million, three hundred twenty thousand, thirteen".