23813992565 has 8 divisors (see below), whose sum is σ = 31174681248. Its totient is φ = 17319267280.

The previous prime is 23813992511. The next prime is 23813992597. The reversal of 23813992565 is 56529931832.

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

It is not a de Polignac number, because 23813992565 - 2²² = 23809798261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216490787 + ... + 216490896.

It is an arithmetic number, because the mean of its divisors is an integer number (3896835156).

Almost surely, 2^23813992565 is an apocalyptic number.

It is an amenable number.

23813992565 is a deficient number, since it is larger than the sum of its proper divisors (7360688683).

23813992565 is a wasteful number, since it uses less digits than its factorization.

23813992565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432981699.

The product of its digits is 3499200, while the sum is 53.

The spelling of 23813992565 in words is "twenty-three billion, eight hundred thirteen million, nine hundred ninety-two thousand, five hundred sixty-five".