23265563 has 4 divisors (see below), whose sum is σ = 23894400. Its totient is φ = 22636728.

The previous prime is 23265553. The next prime is 23265577. The reversal of 23265563 is 36556232.

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 23265563 - 2⁶ = 23265499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23265533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314363 + ... + 314436.

It is an arithmetic number, because the mean of its divisors is an integer number (5973600).

Almost surely, 2^23265563 is an apocalyptic number.

23265563 is a deficient number, since it is larger than the sum of its proper divisors (628837).

23265563 is an equidigital number, since it uses as much as digits as its factorization.

23265563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628836.

The product of its digits is 32400, while the sum is 32.

The square root of 23265563 is about 4823.4389184481. The cubic root of 23265563 is about 285.4770424521.

The spelling of 23265563 in words is "twenty-three million, two hundred sixty-five thousand, five hundred sixty-three".