23958563 has 8 divisors (see below), whose sum is σ = 25267920. Its totient is φ = 22654080.

The previous prime is 23958551. The next prime is 23958569. The reversal of 23958563 is 36585932.

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

It is not a de Polignac number, because 23958563 - 2¹² = 23954467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23958563.

It is not an unprimeable number, because it can be changed into a prime (23958569) 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, 13631 + ... + 15287.

It is an arithmetic number, because the mean of its divisors is an integer number (3158490).

Almost surely, 2^23958563 is an apocalyptic number.

23958563 is a deficient number, since it is larger than the sum of its proper divisors (1309357).

23958563 is a wasteful number, since it uses less digits than its factorization.

23958563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437.

The product of its digits is 194400, while the sum is 41.

The square root of 23958563 is about 4894.7485124366. The cubic root of 23958563 is about 288.2838114986.

The spelling of 23958563 in words is "twenty-three million, nine hundred fifty-eight thousand, five hundred sixty-three".