23128604 has 24 divisors (see below), whose sum is σ = 41975808. Its totient is φ = 11139120.

The previous prime is 23128597. The next prime is 23128613. The reversal of 23128604 is 40682132.

It is a congruent number.

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, 47249 + ... + 47735.

It is an arithmetic number, because the mean of its divisors is an integer number (1748992).

Almost surely, 2^23128604 is an apocalyptic number.

It is an amenable number.

23128604 is a deficient number, since it is larger than the sum of its proper divisors (18847204).

23128604 is a wasteful number, since it uses less digits than its factorization.

23128604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 23128604 is about 4809.2207268954. The cubic root of 23128604 is about 284.9157604730.

It can be divided in two parts, 23128 and 604, that added together give a palindrome (23732).

The spelling of 23128604 in words is "twenty-three million, one hundred twenty-eight thousand, six hundred four".