13321010120023 has 4 divisors (see below), whose sum is σ = 13329756681048. Its totient is φ = 13312263559000.

The previous prime is 13321010119999. The next prime is 13321010120051. The reversal of 13321010120023 is 32002101012331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13321010120023 - 2³⁷ = 13183571166551 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 (13321010120423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4373278228 + ... + 4373281273.

It is an arithmetic number, because the mean of its divisors is an integer number (3332439170262).

Almost surely, 2^{13321010120023} is an apocalyptic number.

13321010120023 is a deficient number, since it is larger than the sum of its proper divisors (8746561025).

13321010120023 is an equidigital number, since it uses as much as digits as its factorization.

13321010120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8746561024.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13321010120023 its reverse (32002101012331), we get a palindrome (45323111132354).

The spelling of 13321010120023 in words is "thirteen trillion, three hundred twenty-one billion, ten million, one hundred twenty thousand, twenty-three".