23788939 has 4 divisors (see below), whose sum is σ = 23865256. Its totient is φ = 23712624.

The previous prime is 23788907. The next prime is 23788949. The reversal of 23788939 is 93988732.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23788939 - 2⁵ = 23788907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23788892 and 23788901.

It is not an unprimeable number, because it can be changed into a prime (23788949) 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, 37689 + ... + 38314.

It is an arithmetic number, because the mean of its divisors is an integer number (5966314).

Almost surely, 2^23788939 is an apocalyptic number.

23788939 is a deficient number, since it is larger than the sum of its proper divisors (76317).

23788939 is an equidigital number, since it uses as much as digits as its factorization.

23788939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76316.

The product of its digits is 653184, while the sum is 49.

The square root of 23788939 is about 4877.3905933398. The cubic root of 23788939 is about 287.6018603153.

The spelling of 23788939 in words is "twenty-three million, seven hundred eighty-eight thousand, nine hundred thirty-nine".