23865223 has 4 divisors (see below), whose sum is σ = 24084280. Its totient is φ = 23646168.

The previous prime is 23865221. The next prime is 23865241. The reversal of 23865223 is 32256832.

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 23865223 - 2¹ = 23865221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23865221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109365 + ... + 109582.

It is an arithmetic number, because the mean of its divisors is an integer number (6021070).

Almost surely, 2^23865223 is an apocalyptic number.

23865223 is a deficient number, since it is larger than the sum of its proper divisors (219057).

23865223 is a wasteful number, since it uses less digits than its factorization.

23865223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219056.

The product of its digits is 17280, while the sum is 31.

The square root of 23865223 is about 4885.2044993019. The cubic root of 23865223 is about 287.9089499666.

The spelling of 23865223 in words is "twenty-three million, eight hundred sixty-five thousand, two hundred twenty-three".