23315163 has 4 divisors (see below), whose sum is σ = 31086888. Its totient is φ = 15543440.

The previous prime is 23315161. The next prime is 23315197. The reversal of 23315163 is 36151332.

It is a happy number.

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 23315163 - 2¹ = 23315161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23315161) 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, 3885858 + ... + 3885863.

It is an arithmetic number, because the mean of its divisors is an integer number (7771722).

Almost surely, 2^23315163 is an apocalyptic number.

23315163 is a deficient number, since it is larger than the sum of its proper divisors (7771725).

23315163 is an equidigital number, since it uses as much as digits as its factorization.

23315163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771724.

The product of its digits is 1620, while the sum is 24.

The square root of 23315163 is about 4828.5777409088. The cubic root of 23315163 is about 285.6797685563.

Adding to 23315163 its reverse (36151332), we get a palindrome (59466495).

The spelling of 23315163 in words is "twenty-three million, three hundred fifteen thousand, one hundred sixty-three".