23304223 has 4 divisors (see below), whose sum is σ = 23345608. Its totient is φ = 23262840.

The previous prime is 23304209. The next prime is 23304299. The reversal of 23304223 is 32240332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23304223 - 2⁹ = 23303711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23304223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23305223) 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, 19836 + ... + 20977.

It is an arithmetic number, because the mean of its divisors is an integer number (5836402).

Almost surely, 2^23304223 is an apocalyptic number.

23304223 is a deficient number, since it is larger than the sum of its proper divisors (41385).

23304223 is an equidigital number, since it uses as much as digits as its factorization.

23304223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41384.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 23304223 is about 4827.4447692335. Note that the first 3 decimals coincide. The cubic root of 23304223 is about 285.6350791036.

Adding to 23304223 its reverse (32240332), we get a palindrome (55544555).

The spelling of 23304223 in words is "twenty-three million, three hundred four thousand, two hundred twenty-three".