23113123210013 has 4 divisors (see below), whose sum is σ = 23113169478108. Its totient is φ = 23113076941920.

The previous prime is 23113123209947. The next prime is 23113123210027. The reversal of 23113123210013 is 31001232131132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22812974821849 + 300148388164 = 4776293^2 + 547858^2 .

It is a cyclic number.

It is not a de Polignac number, because 23113123210013 - 2²² = 23113119015709 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 (23113123210913) 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, 22376456 + ... + 23386577.

It is an arithmetic number, because the mean of its divisors is an integer number (5778292369527).

Almost surely, 2^{23113123210013} is an apocalyptic number.

It is an amenable number.

23113123210013 is a deficient number, since it is larger than the sum of its proper divisors (46268095).

23113123210013 is an equidigital number, since it uses as much as digits as its factorization.

23113123210013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46268094.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 23113123210013 its reverse (31001232131132), we get a palindrome (54114355341145).

The spelling of 23113123210013 in words is "twenty-three trillion, one hundred thirteen billion, one hundred twenty-three million, two hundred ten thousand, thirteen".