23316605 has 16 divisors (see below), whose sum is σ = 31906224. Its totient is φ = 16204800.

The previous prime is 23316599. The next prime is 23316677. The reversal of 23316605 is 50661332.

It can be written as a sum of positive squares in 8 ways, for example, as 1545049 + 21771556 = 1243^2 + 4666^2 .

It is not a de Polignac number, because 23316605 - 2⁴ = 23316589 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 9446 + ... + 11655.

It is an arithmetic number, because the mean of its divisors is an integer number (1994139).

Almost surely, 2^23316605 is an apocalyptic number.

It is an amenable number.

23316605 is a deficient number, since it is larger than the sum of its proper divisors (8589619).

23316605 is a wasteful number, since it uses less digits than its factorization.

23316605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21136.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 23316605 is about 4828.7270579315. The cubic root of 23316605 is about 285.6856580245.

Adding to 23316605 its reverse (50661332), we get a palindrome (73977937).

The spelling of 23316605 in words is "twenty-three million, three hundred sixteen thousand, six hundred five".