23008163 has 4 divisors (see below), whose sum is σ = 23385408. Its totient is φ = 22630920.

The previous prime is 23008159. The next prime is 23008207. The reversal of 23008163 is 36180032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23008163 - 2² = 23008159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23008663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188531 + ... + 188652.

It is an arithmetic number, because the mean of its divisors is an integer number (5846352).

Almost surely, 2^23008163 is an apocalyptic number.

23008163 is a deficient number, since it is larger than the sum of its proper divisors (377245).

23008163 is an equidigital number, since it uses as much as digits as its factorization.

23008163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377244.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 23008163 is about 4796.6824993948. The cubic root of 23008163 is about 284.4203381885.

Adding to 23008163 its reverse (36180032), we get a palindrome (59188195).

The spelling of 23008163 in words is "twenty-three million, eight thousand, one hundred sixty-three".