23988669 has 8 divisors (see below), whose sum is σ = 32119680. Its totient is φ = 15925056.

The previous prime is 23988647. The next prime is 23988707. The reversal of 23988669 is 96688932.

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

It is not a de Polignac number, because 23988669 - 2⁷ = 23988541 is a prime.

It is a super-2 number, since 2×23988669² = 1150912480783122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23988619) 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, 16012 + ... + 17445.

It is an arithmetic number, because the mean of its divisors is an integer number (4014960).

Almost surely, 2^23988669 is an apocalyptic number.

It is an amenable number.

23988669 is a deficient number, since it is larger than the sum of its proper divisors (8131011).

23988669 is a wasteful number, since it uses less digits than its factorization.

23988669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33699.

The product of its digits is 1119744, while the sum is 51.

The square root of 23988669 is about 4897.8228836903. The cubic root of 23988669 is about 288.4045121104.

The spelling of 23988669 in words is "twenty-three million, nine hundred eighty-eight thousand, six hundred sixty-nine".