13201323023 has 4 divisors (see below), whose sum is σ = 15087226320. Its totient is φ = 11315419728.

The previous prime is 13201323019. The next prime is 13201323043. The reversal of 13201323023 is 32032310231.

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 13201323023 - 2² = 13201323019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13201322986 and 13201323004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201323013) 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, 942951638 + ... + 942951651.

It is an arithmetic number, because the mean of its divisors is an integer number (3771806580).

Almost surely, 2^13201323023 is an apocalyptic number.

13201323023 is a deficient number, since it is larger than the sum of its proper divisors (1885903297).

13201323023 is an equidigital number, since it uses as much as digits as its factorization.

13201323023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885903296.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13201323023 its reverse (32032310231), we get a palindrome (45233633254).

The spelling of 13201323023 in words is "thirteen billion, two hundred one million, three hundred twenty-three thousand, twenty-three".