23315144320013 has 16 divisors (see below), whose sum is σ = 29281185964800. Its totient is φ = 18447147150768.

The previous prime is 23315144320001. The next prime is 23315144320051. The reversal of 23315144320013 is 31002344151332.

It is not a de Polignac number, because 23315144320013 - 2¹⁴ = 23315144303629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23315144320213) 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, 2614387145 + ... + 2614396062.

It is an arithmetic number, because the mean of its divisors is an integer number (1830074122800).

Almost surely, 2^{23315144320013} is an apocalyptic number.

It is an amenable number.

23315144320013 is a deficient number, since it is larger than the sum of its proper divisors (5966041644787).

23315144320013 is an equidigital number, since it uses as much as digits as its factorization.

23315144320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228783241 (or 5228783227 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 23315144320013 its reverse (31002344151332), we get a palindrome (54317488471345).

The spelling of 23315144320013 in words is "twenty-three trillion, three hundred fifteen billion, one hundred forty-four million, three hundred twenty thousand, thirteen".