23142163 has 24 divisors (see below), whose sum is σ = 27313776. Its totient is φ = 19430400.

The previous prime is 23142157. The next prime is 23142167. The reversal of 23142163 is 36124132.

It is a de Polignac number, because none of the positive numbers 2^k-23142163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23142167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238531 + ... + 238627.

It is an arithmetic number, because the mean of its divisors is an integer number (1138074).

Almost surely, 2^23142163 is an apocalyptic number.

23142163 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23142163 is a deficient number, since it is larger than the sum of its proper divisors (4171613).

23142163 is a wasteful number, since it uses less digits than its factorization.

23142163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 172 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 23142163 is about 4810.6302081952. The cubic root of 23142163 is about 284.9714262930.

Adding to 23142163 its reverse (36124132), we get a palindrome (59266295).

The spelling of 23142163 in words is "twenty-three million, one hundred forty-two thousand, one hundred sixty-three".