23900169 has 4 divisors (see below), whose sum is σ = 31866896. Its totient is φ = 15933444.

The previous prime is 23900167. The next prime is 23900189. The reversal of 23900169 is 96100932.

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 23900169 - 2¹ = 23900167 is a prime.

It is a super-2 number, since 2×23900169² = 1142436156457122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23900167) 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, 3983359 + ... + 3983364.

It is an arithmetic number, because the mean of its divisors is an integer number (7966724).

Almost surely, 2^23900169 is an apocalyptic number.

It is an amenable number.

23900169 is a deficient number, since it is larger than the sum of its proper divisors (7966727).

23900169 is an equidigital number, since it uses as much as digits as its factorization.

23900169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7966726.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 23900169 is about 4888.7799091389. The cubic root of 23900169 is about 288.0494104075.

The spelling of 23900169 in words is "twenty-three million, nine hundred thousand, one hundred sixty-nine".