23665223 has 8 divisors (see below), whose sum is σ = 24170400. Its totient is φ = 23164960.

The previous prime is 23665217. The next prime is 23665231. The reversal of 23665223 is 32256632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23665223 - 2⁸ = 23664967 is a prime.

It is a super-3 number, since 3×23665223³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23665253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9461 + ... + 11697.

It is an arithmetic number, because the mean of its divisors is an integer number (3021300).

Almost surely, 2^23665223 is an apocalyptic number.

23665223 is a deficient number, since it is larger than the sum of its proper divisors (505177).

23665223 is a wasteful number, since it uses less digits than its factorization.

23665223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457.

The product of its digits is 12960, while the sum is 29.

The square root of 23665223 is about 4864.6914598975. The cubic root of 23665223 is about 287.1024291725.

The spelling of 23665223 in words is "twenty-three million, six hundred sixty-five thousand, two hundred twenty-three".