23128124 has 6 divisors (see below), whose sum is σ = 40474224. Its totient is φ = 11564060.

The previous prime is 23128123. The next prime is 23128129. The reversal of 23128124 is 42182132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23128124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23128123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2891012 + ... + 2891019.

It is an arithmetic number, because the mean of its divisors is an integer number (6745704).

Almost surely, 2^23128124 is an apocalyptic number.

It is an amenable number.

23128124 is a deficient number, since it is larger than the sum of its proper divisors (17346100).

23128124 is a wasteful number, since it uses less digits than its factorization.

23128124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782035 (or 5782033 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 23128124 is about 4809.1708225015. The cubic root of 23128124 is about 284.9137894575.

The spelling of 23128124 in words is "twenty-three million, one hundred twenty-eight thousand, one hundred twenty-four".