23117776021 has 8 divisors (see below), whose sum is σ = 23241581280. Its totient is φ = 22994163888.

The previous prime is 23117776013. The next prime is 23117776027. The reversal of 23117776021 is 12067771132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23117776021 - 2³ = 23117776013 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 (23117776027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195030 + ... + 290296.

It is an arithmetic number, because the mean of its divisors is an integer number (2905197660).

Almost surely, 2^23117776021 is an apocalyptic number.

It is an amenable number.

23117776021 is a deficient number, since it is larger than the sum of its proper divisors (123805259).

23117776021 is a wasteful number, since it uses less digits than its factorization.

23117776021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96563.

The product of its (nonzero) digits is 24696, while the sum is 37.

The spelling of 23117776021 in words is "twenty-three billion, one hundred seventeen million, seven hundred seventy-six thousand, twenty-one".