23117665771 has 4 divisors (see below), whose sum is σ = 23342109232. Its totient is φ = 22893222312.

The previous prime is 23117665759. The next prime is 23117665789. The reversal of 23117665771 is 17756671132.

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 23117665771 - 2¹³ = 23117657579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23117665471) 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, 112221576 + ... + 112221781.

It is an arithmetic number, because the mean of its divisors is an integer number (5835527308).

Almost surely, 2^23117665771 is an apocalyptic number.

23117665771 is a deficient number, since it is larger than the sum of its proper divisors (224443461).

23117665771 is a wasteful number, since it uses less digits than its factorization.

23117665771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224443460.

The product of its digits is 370440, while the sum is 46.

The spelling of 23117665771 in words is "twenty-three billion, one hundred seventeen million, six hundred sixty-five thousand, seven hundred seventy-one".