23028136 has 16 divisors (see below), whose sum is σ = 43228800. Its totient is φ = 11500464.

The previous prime is 23028121. The next prime is 23028139. The reversal of 23028136 is 63182032.

It is a self number, because there is not a number n which added to its sum of digits gives 23028136.

It is not an unprimeable number, because it can be changed into a prime (23028139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11721 + ... + 13543.

It is an arithmetic number, because the mean of its divisors is an integer number (2701800).

Almost surely, 2^23028136 is an apocalyptic number.

It is an amenable number.

23028136 is a deficient number, since it is larger than the sum of its proper divisors (20200664).

23028136 is a wasteful number, since it uses less digits than its factorization.

23028136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408 (or 3404 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 23028136 is about 4798.7640075336. The cubic root of 23028136 is about 284.5026145590.

The spelling of 23028136 in words is "twenty-three million, twenty-eight thousand, one hundred thirty-six".