23315314817 has 4 divisors (see below), whose sum is σ = 24119291220. Its totient is φ = 22511338416.

The previous prime is 23315314807. The next prime is 23315314829. The reversal of 23315314817 is 71841351332.

It is a happy number.

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 11218834561 + 12096480256 = 105919^2 + 109984^2 .

It is a cyclic number.

It is not a de Polignac number, because 23315314817 - 2⁶ = 23315314753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23315314807) 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, 401988158 + ... + 401988215.

It is an arithmetic number, because the mean of its divisors is an integer number (6029822805).

Almost surely, 2^23315314817 is an apocalyptic number.

It is an amenable number.

23315314817 is a deficient number, since it is larger than the sum of its proper divisors (803976403).

23315314817 is an equidigital number, since it uses as much as digits as its factorization.

23315314817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803976402.

The product of its digits is 60480, while the sum is 38.

The spelling of 23315314817 in words is "twenty-three billion, three hundred fifteen million, three hundred fourteen thousand, eight hundred seventeen".