23984563 has 4 divisors (see below), whose sum is σ = 24000040. Its totient is φ = 23969088.

The previous prime is 23984557. The next prime is 23984629. The reversal of 23984563 is 36548932.

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 23984563 - 2⁵ = 23984531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23984063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5118 + ... + 8611.

It is an arithmetic number, because the mean of its divisors is an integer number (6000010).

Almost surely, 2^23984563 is an apocalyptic number.

23984563 is a deficient number, since it is larger than the sum of its proper divisors (15477).

23984563 is a wasteful number, since it uses less digits than its factorization.

23984563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15476.

The product of its digits is 155520, while the sum is 40.

The square root of 23984563 is about 4897.4036999210. The cubic root of 23984563 is about 288.3880563343.

The spelling of 23984563 in words is "twenty-three million, nine hundred eighty-four thousand, five hundred sixty-three".