23666364 has 24 divisors (see below), whose sum is σ = 61357520. Its totient is φ = 7888752.

The previous prime is 23666327. The next prime is 23666369. The reversal of 23666364 is 46366632.

It is a super-4 number, since 4×23666364⁴ (a number of 31 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23666369) 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, 109459 + ... + 109674.

Almost surely, 2^23666364 is an apocalyptic number.

It is an amenable number.

23666364 is an abundant number, since it is smaller than the sum of its proper divisors (37691156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23666364 is a wasteful number, since it uses less digits than its factorization.

23666364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219146 (or 219138 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 23666364 is about 4864.8087321086. The cubic root of 23666364 is about 287.1070432372.

The spelling of 23666364 in words is "twenty-three million, six hundred sixty-six thousand, three hundred sixty-four".