23996189 has 4 divisors (see below), whose sum is σ = 27424224. Its totient is φ = 20568156.

The previous prime is 23996177. The next prime is 23996207. The reversal of 23996189 is 98169932.

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 not a de Polignac number, because 23996189 - 2¹⁶ = 23930653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23996389) 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, 1714007 + ... + 1714020.

It is an arithmetic number, because the mean of its divisors is an integer number (6856056).

Almost surely, 2^23996189 is an apocalyptic number.

It is an amenable number.

23996189 is a deficient number, since it is larger than the sum of its proper divisors (3428035).

23996189 is an equidigital number, since it uses as much as digits as its factorization.

23996189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428034.

The product of its digits is 209952, while the sum is 47.

The square root of 23996189 is about 4898.5905115655. The cubic root of 23996189 is about 288.4346454391.

The spelling of 23996189 in words is "twenty-three million, nine hundred ninety-six thousand, one hundred eighty-nine".