23206605 has 16 divisors (see below), whose sum is σ = 37200384. Its totient is φ = 12353600.

The previous prime is 23206597. The next prime is 23206637. The reversal of 23206605 is 50660232.

It is not a de Polignac number, because 23206605 - 2³ = 23206597 is a prime.

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, 9412 + ... + 11618.

It is an arithmetic number, because the mean of its divisors is an integer number (2325024).

Almost surely, 2^23206605 is an apocalyptic number.

It is an amenable number.

23206605 is a deficient number, since it is larger than the sum of its proper divisors (13993779).

23206605 is a wasteful number, since it uses less digits than its factorization.

23206605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 23206605 is about 4817.3234269665. The cubic root of 23206605 is about 285.2356929953.

Adding to 23206605 its reverse (50660232), we get a palindrome (73866837).

The spelling of 23206605 in words is "twenty-three million, two hundred six thousand, six hundred five".