23497665 has 16 divisors (see below), whose sum is σ = 37656576. Its totient is φ = 12512000.

The previous prime is 23497657. The next prime is 23497673. The reversal of 23497665 is 56679432.

It is an interprime number because it is at equal distance from previous prime (23497657) and next prime (23497673).

It is not a de Polignac number, because 23497665 - 2³ = 23497657 is a prime.

Its product of digits (272160) is a multiple of the sum of its prime divisors (2520).

It is a Curzon 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, 16585 + ... + 17945.

It is an arithmetic number, because the mean of its divisors is an integer number (2353536).

Almost surely, 2^23497665 is an apocalyptic number.

It is an amenable number.

23497665 is a deficient number, since it is larger than the sum of its proper divisors (14158911).

23497665 is a wasteful number, since it uses less digits than its factorization.

23497665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520.

The product of its digits is 272160, while the sum is 42.

The square root of 23497665 is about 4847.4390145725. The cubic root of 23497665 is about 286.4232286708.

The spelling of 23497665 in words is "twenty-three million, four hundred ninety-seven thousand, six hundred sixty-five".