23204393 has 4 divisors (see below), whose sum is σ = 23484048. Its totient is φ = 22924740.

The previous prime is 23204387. The next prime is 23204411. The reversal of 23204393 is 39340232.

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 23204393 - 2⁶ = 23204329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23204333) 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, 139703 + ... + 139868.

It is an arithmetic number, because the mean of its divisors is an integer number (5871012).

Almost surely, 2^23204393 is an apocalyptic number.

It is an amenable number.

23204393 is a deficient number, since it is larger than the sum of its proper divisors (279655).

23204393 is an equidigital number, since it uses as much as digits as its factorization.

23204393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279654.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 23204393 is about 4817.0938334228. The cubic root of 23204393 is about 285.2266300382.

The spelling of 23204393 in words is "twenty-three million, two hundred four thousand, three hundred ninety-three".