23194609 has 4 divisors (see below), whose sum is σ = 23223616. Its totient is φ = 23165604.

The previous prime is 23194601. The next prime is 23194627. The reversal of 23194609 is 90649132.

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 23194609 - 2³ = 23194601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23194601) 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, 13269 + ... + 14914.

It is an arithmetic number, because the mean of its divisors is an integer number (5805904).

Almost surely, 2^23194609 is an apocalyptic number.

It is an amenable number.

23194609 is a deficient number, since it is larger than the sum of its proper divisors (29007).

23194609 is an equidigital number, since it uses as much as digits as its factorization.

23194609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29006.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 23194609 is about 4816.0781762758. The cubic root of 23194609 is about 285.1865363418.

The spelling of 23194609 in words is "twenty-three million, one hundred ninety-four thousand, six hundred nine".