23147663 has 12 divisors (see below), whose sum is σ = 29079120. Its totient is φ = 18036480.

The previous prime is 23147653. The next prime is 23147671. The reversal of 23147663 is 36674132.

It is not a de Polignac number, because 23147663 - 2²⁰ = 22099087 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23147653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12818 + ... + 14511.

It is an arithmetic number, because the mean of its divisors is an integer number (2423260).

Almost surely, 2^23147663 is an apocalyptic number.

23147663 is a deficient number, since it is larger than the sum of its proper divisors (5931457).

23147663 is a wasteful number, since it uses less digits than its factorization.

23147663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27358 (or 27347 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 23147663 is about 4811.2018249082. The cubic root of 23147663 is about 284.9940000789.

The spelling of 23147663 in words is "twenty-three million, one hundred forty-seven thousand, six hundred sixty-three".