23990769 has 16 divisors (see below), whose sum is σ = 38773440. Its totient is φ = 14539680.

The previous prime is 23990767. The next prime is 23990773. The reversal of 23990769 is 96709932.

It is not a de Polignac number, because 23990769 - 2¹ = 23990767 is a prime.

It is a super-2 number, since 2×23990769² = 1151113994422722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23990767) 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 15 ways as a sum of consecutive naturals, for example, 40092 + ... + 40685.

It is an arithmetic number, because the mean of its divisors is an integer number (2423340).

Almost surely, 2^23990769 is an apocalyptic number.

It is an amenable number.

23990769 is a deficient number, since it is larger than the sum of its proper divisors (14782671).

23990769 is a wasteful number, since it uses less digits than its factorization.

23990769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80797 (or 80791 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 23990769 is about 4898.0372599644. The cubic root of 23990769 is about 288.4129276364.

The spelling of 23990769 in words is "twenty-three million, nine hundred ninety thousand, seven hundred sixty-nine".