23304605 has 16 divisors (see below), whose sum is σ = 29030400. Its totient is φ = 17946240.

The previous prime is 23304571. The next prime is 23304613. The reversal of 23304605 is 50640332.

It is not a de Polignac number, because 23304605 - 2¹² = 23300509 is a prime.

It is a super-2 number, since 2×23304605² = 1086209228412050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15476 + ... + 16914.

It is an arithmetic number, because the mean of its divisors is an integer number (1814400).

Almost surely, 2^23304605 is an apocalyptic number.

It is an amenable number.

23304605 is a deficient number, since it is larger than the sum of its proper divisors (5725795).

23304605 is a wasteful number, since it uses less digits than its factorization.

23304605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 23304605 is about 4827.4843345163. The cubic root of 23304605 is about 285.6366397937.

Adding to 23304605 its reverse (50640332), we get a palindrome (73944937).

The spelling of 23304605 in words is "twenty-three million, three hundred four thousand, six hundred five".