23128418 has 16 divisors (see below), whose sum is σ = 36578304. Its totient is φ = 10951680.

The previous prime is 23128403. The next prime is 23128433. The reversal of 23128418 is 81482132.

It is an interprime number because it is at equal distance from previous prime (23128403) and next prime (23128433).

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1055 + ... + 6882.

It is an arithmetic number, because the mean of its divisors is an integer number (2286144).

Almost surely, 2^23128418 is an apocalyptic number.

23128418 is a deficient number, since it is larger than the sum of its proper divisors (13449886).

23128418 is a wasteful number, since it uses less digits than its factorization.

23128418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8017.

The product of its digits is 3072, while the sum is 29.

The square root of 23128418 is about 4809.2013890042. The cubic root of 23128418 is about 284.9149967077.

The spelling of 23128418 in words is "twenty-three million, one hundred twenty-eight thousand, four hundred eighteen".