23420776117517 has 8 divisors (see below), whose sum is σ = 23443982788032. Its totient is φ = 23397578257600.

The previous prime is 23420776117511. The next prime is 23420776117631. The reversal of 23420776117517 is 71571167702432.

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 23420776117517 - 2⁸ = 23420776117261 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 (23420776117511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3122858 + ... + 7522884.

It is an arithmetic number, because the mean of its divisors is an integer number (2930497848504).

Almost surely, 2^{23420776117517} is an apocalyptic number.

It is an amenable number.

23420776117517 is a deficient number, since it is larger than the sum of its proper divisors (23206670515).

23420776117517 is a wasteful number, since it uses less digits than its factorization.

23420776117517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405299.

The product of its (nonzero) digits is 3457440, while the sum is 53.

The spelling of 23420776117517 in words is "twenty-three trillion, four hundred twenty billion, seven hundred seventy-six million, one hundred seventeen thousand, five hundred seventeen".