23044209 has 4 divisors (see below), whose sum is σ = 30725616. Its totient is φ = 15362804.

The previous prime is 23044201. The next prime is 23044213. The reversal of 23044209 is 90244032.

It is a happy number.

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 23044209 - 2³ = 23044201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23044201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3840699 + ... + 3840704.

It is an arithmetic number, because the mean of its divisors is an integer number (7681404).

Almost surely, 2^23044209 is an apocalyptic number.

It is an amenable number.

23044209 is a deficient number, since it is larger than the sum of its proper divisors (7681407).

23044209 is an equidigital number, since it uses as much as digits as its factorization.

23044209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7681406.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 23044209 is about 4800.4384174781. The cubic root of 23044209 is about 284.5687908087.

The spelling of 23044209 in words is "twenty-three million, forty-four thousand, two hundred nine".