23808563 has 4 divisors (see below), whose sum is σ = 23996160. Its totient is φ = 23620968.

The previous prime is 23808557. The next prime is 23808571. The reversal of 23808563 is 36580832.

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 23808563 - 2¹⁴ = 23792179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23808583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93608 + ... + 93861.

It is an arithmetic number, because the mean of its divisors is an integer number (5999040).

Almost surely, 2^23808563 is an apocalyptic number.

23808563 is a deficient number, since it is larger than the sum of its proper divisors (187597).

23808563 is a wasteful number, since it uses less digits than its factorization.

23808563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187596.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 23808563 is about 4879.4019100705. The cubic root of 23808563 is about 287.6809215363.

The spelling of 23808563 in words is "twenty-three million, eight hundred eight thousand, five hundred sixty-three".