23928769 has 4 divisors (see below), whose sum is σ = 24485296. Its totient is φ = 23372244.

The previous prime is 23928761. The next prime is 23928787. The reversal of 23928769 is 96782932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23928769 - 2³ = 23928761 is a prime.

It is a super-3 number, since 3×23928769³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23928761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278199 + ... + 278284.

It is an arithmetic number, because the mean of its divisors is an integer number (6121324).

Almost surely, 2^23928769 is an apocalyptic number.

It is an amenable number.

23928769 is a deficient number, since it is larger than the sum of its proper divisors (556527).

23928769 is an equidigital number, since it uses as much as digits as its factorization.

23928769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556526.

The product of its digits is 326592, while the sum is 46.

The square root of 23928769 is about 4891.7040998000. The cubic root of 23928769 is about 288.1642621651.

The spelling of 23928769 in words is "twenty-three million, nine hundred twenty-eight thousand, seven hundred sixty-nine".