23142032 has 20 divisors (see below), whose sum is σ = 47475756. Its totient is φ = 10890240.

The previous prime is 23142017. The next prime is 23142107. The reversal of 23142032 is 23024132.

It can be written as a sum of positive squares in 2 ways, for example, as 20939776 + 2202256 = 4576^2 + 1484^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 23142032.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42269 + ... + 42812.

Almost surely, 2^23142032 is an apocalyptic number.

It is an amenable number.

23142032 is an abundant number, since it is smaller than the sum of its proper divisors (24333724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23142032 is a wasteful number, since it uses less digits than its factorization.

23142032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85106 (or 85100 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23142032 is about 4810.6165924962. The cubic root of 23142032 is about 284.9708885829.

Adding to 23142032 its reverse (23024132), we get a palindrome (46166164).

The spelling of 23142032 in words is "twenty-three million, one hundred forty-two thousand, thirty-two".