23117292263 has 4 divisors (see below), whose sum is σ = 24895545528. Its totient is φ = 21339039000.

The previous prime is 23117292259. The next prime is 23117292269. The reversal of 23117292263 is 36229271132.

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

It is a cyclic number.

It is not a de Polignac number, because 23117292263 - 2² = 23117292259 is a prime.

It is a super-2 number, since 2×23117292263² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23117292269) 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, 889126613 + ... + 889126638.

It is an arithmetic number, because the mean of its divisors is an integer number (6223886382).

Almost surely, 2^23117292263 is an apocalyptic number.

23117292263 is a deficient number, since it is larger than the sum of its proper divisors (1778253265).

23117292263 is a wasteful number, since it uses less digits than its factorization.

23117292263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778253264.

The product of its digits is 54432, while the sum is 38.

The spelling of 23117292263 in words is "twenty-three billion, one hundred seventeen million, two hundred ninety-two thousand, two hundred sixty-three".