23893108117 has 4 divisors (see below), whose sum is σ = 24284798476. Its totient is φ = 23501417760.

The previous prime is 23893108097. The next prime is 23893108139. The reversal of 23893108117 is 71180139832.

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 3913002916 + 19980105201 = 62554^2 + 141351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23893108117 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 (23893108157) 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, 195845088 + ... + 195845209.

It is an arithmetic number, because the mean of its divisors is an integer number (6071199619).

Almost surely, 2^23893108117 is an apocalyptic number.

It is an amenable number.

23893108117 is a deficient number, since it is larger than the sum of its proper divisors (391690359).

23893108117 is an equidigital number, since it uses as much as digits as its factorization.

23893108117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391690358.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 23893108117 in words is "twenty-three billion, eight hundred ninety-three million, one hundred eight thousand, one hundred seventeen".