23028159 has 16 divisors (see below), whose sum is σ = 38280960. Its totient is φ = 11962560.

The previous prime is 23028139. The next prime is 23028163. The reversal of 23028159 is 95182032.

It is a happy number.

It is not a de Polignac number, because 23028159 - 2⁹ = 23027647 is a prime.

It is a super-2 number, since 2×23028159² = 1060592213858562, which contains 22 as substring.

It is a congruent number.

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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49614 + ... + 50075.

It is an arithmetic number, because the mean of its divisors is an integer number (2392560).

Almost surely, 2^23028159 is an apocalyptic number.

23028159 is a deficient number, since it is larger than the sum of its proper divisors (15252801).

23028159 is a wasteful number, since it uses less digits than its factorization.

23028159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99710.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 23028159 is about 4798.7664039834. The cubic root of 23028159 is about 284.5027092773.

The spelling of 23028159 in words is "twenty-three million, twenty-eight thousand, one hundred fifty-nine".