23968563 has 16 divisors (see below), whose sum is σ = 33030816. Its totient is φ = 15448320.

The previous prime is 23968541. The next prime is 23968579. The reversal of 23968563 is 36586932.

It is not a de Polignac number, because 23968563 - 2⁹ = 23968051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23968663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19495 + ... + 20687.

It is an arithmetic number, because the mean of its divisors is an integer number (2064426).

Almost surely, 2^23968563 is an apocalyptic number.

23968563 is a deficient number, since it is larger than the sum of its proper divisors (9062253).

23968563 is a wasteful number, since it uses less digits than its factorization.

23968563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414.

The product of its digits is 233280, while the sum is 42.

The square root of 23968563 is about 4895.7699088090. The cubic root of 23968563 is about 288.3239145872.

It can be divided in two parts, 23968 and 563, that added together give a triangular number (24531 = T₂₂₁).

The spelling of 23968563 in words is "twenty-three million, nine hundred sixty-eight thousand, five hundred sixty-three".