13120322423 has 24 divisors (see below), whose sum is σ = 14863125984. Its totient is φ = 11491571520.

The previous prime is 13120322399. The next prime is 13120322437. The reversal of 13120322423 is 32422302131.

13120322423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13120322423 - 2²⁴ = 13103545207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120322443) 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 23 ways as a sum of consecutive naturals, for example, 5129861 + ... + 5132417.

It is an arithmetic number, because the mean of its divisors is an integer number (619296916).

Almost surely, 2^13120322423 is an apocalyptic number.

13120322423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13120322423 is a deficient number, since it is larger than the sum of its proper divisors (1742803561).

13120322423 is a wasteful number, since it uses less digits than its factorization.

13120322423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855 (or 2724 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13120322423 its reverse (32422302131), we get a palindrome (45542624554).

The spelling of 13120322423 in words is "thirteen billion, one hundred twenty million, three hundred twenty-two thousand, four hundred twenty-three".