23565223 has 4 divisors (see below), whose sum is σ = 25707528. Its totient is φ = 21422920.

The previous prime is 23565209. The next prime is 23565251. The reversal of 23565223 is 32256532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23565223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23565191 and 23565200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23565253) 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, 1071136 + ... + 1071157.

It is an arithmetic number, because the mean of its divisors is an integer number (6426882).

Almost surely, 2^23565223 is an apocalyptic number.

23565223 is a deficient number, since it is larger than the sum of its proper divisors (2142305).

23565223 is a wasteful number, since it uses less digits than its factorization.

23565223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142304.

The product of its digits is 10800, while the sum is 28.

The square root of 23565223 is about 4854.4024349038. The cubic root of 23565223 is about 286.6974639408.

The spelling of 23565223 in words is "twenty-three million, five hundred sixty-five thousand, two hundred twenty-three".