23442653617 has 4 divisors (see below), whose sum is σ = 23826959476. Its totient is φ = 23058347760.

The previous prime is 23442653579. The next prime is 23442653639. The reversal of 23442653617 is 71635624432.

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 6636383296 + 16806270321 = 81464^2 + 129639^2 .

It is a cyclic number.

It is not a de Polignac number, because 23442653617 - 2²⁷ = 23308435889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23442653687) 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, 192152838 + ... + 192152959.

It is an arithmetic number, because the mean of its divisors is an integer number (5956739869).

Almost surely, 2^23442653617 is an apocalyptic number.

It is an amenable number.

23442653617 is a deficient number, since it is larger than the sum of its proper divisors (384305859).

23442653617 is an equidigital number, since it uses as much as digits as its factorization.

23442653617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384305858.

The product of its digits is 725760, while the sum is 43.

The spelling of 23442653617 in words is "twenty-three billion, four hundred forty-two million, six hundred fifty-three thousand, six hundred seventeen".