23479665 has 48 divisors (see below), whose sum is σ = 43001280. Its totient is φ = 10848640.

The previous prime is 23479663. The next prime is 23479691. The reversal of 23479665 is 56697432.

It is not a de Polignac number, because 23479665 - 2¹ = 23479663 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23479663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87151 + ... + 87419.

It is an arithmetic number, because the mean of its divisors is an integer number (895860).

Almost surely, 2^23479665 is an apocalyptic number.

It is an amenable number.

23479665 is a deficient number, since it is larger than the sum of its proper divisors (19521615).

23479665 is a wasteful number, since it uses less digits than its factorization.

23479665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 311 counting only the distinct ones).

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

The square root of 23479665 is about 4845.5820083866. The cubic root of 23479665 is about 286.3500733859.

The spelling of 23479665 in words is "twenty-three million, four hundred seventy-nine thousand, six hundred sixty-five".