23823717345793 has 6 divisors (see below), whose sum is σ = 24485003876886. Its totient is φ = 23179833091872.

The previous prime is 23823717345787. The next prime is 23823717345797. The reversal of 23823717345793 is 39754371732832.

It can be written as a sum of positive squares in 3 ways, for example, as 13654296109584 + 10169421236209 = 3695172^2 + 3188953^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23823717345793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23823717345797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8701137180 + ... + 8701139917.

It is an arithmetic number, because the mean of its divisors is an integer number (4080833979481).

Almost surely, 2^{23823717345793} is an apocalyptic number.

It is an amenable number.

23823717345793 is a deficient number, since it is larger than the sum of its proper divisors (661286531093).

23823717345793 is an equidigital number, since it uses as much as digits as its factorization.

23823717345793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17402277171 (or 17402277134 counting only the distinct ones).

The product of its digits is 160030080, while the sum is 64.

The spelling of 23823717345793 in words is "twenty-three trillion, eight hundred twenty-three billion, seven hundred seventeen million, three hundred forty-five thousand, seven hundred ninety-three".