23326563 has 24 divisors (see below), whose sum is σ = 34023360. Its totient is φ = 14208480.

The previous prime is 23326561. The next prime is 23326591. The reversal of 23326563 is 36562332.

It is not a de Polignac number, because 23326563 - 2¹ = 23326561 is a prime.

Its product of digits (19440) is a multiple of the sum of its prime divisors (486).

It is a self number, because there is not a number n which added to its sum of digits gives 23326563.

It is not an unprimeable number, because it can be changed into a prime (23326561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70308 + ... + 70638.

It is an arithmetic number, because the mean of its divisors is an integer number (1417640).

Almost surely, 2^23326563 is an apocalyptic number.

23326563 is a deficient number, since it is larger than the sum of its proper divisors (10696797).

23326563 is a wasteful number, since it uses less digits than its factorization.

23326563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 486 counting only the distinct ones).

The product of its digits is 19440, while the sum is 30.

The square root of 23326563 is about 4829.7580684751. The cubic root of 23326563 is about 285.7263222191.

Adding to 23326563 its reverse (36562332), we get a palindrome (59888895).

It can be divided in two parts, 233 and 26563, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 23326563 in words is "twenty-three million, three hundred twenty-six thousand, five hundred sixty-three".