23190285 has 32 divisors (see below), whose sum is σ = 38880000. Its totient is φ = 11787776.

The previous prime is 23190259. The next prime is 23190311. The reversal of 23190285 is 58209132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23190259) and next prime (23190311).

It is a cyclic number.

It is not a de Polignac number, because 23190285 - 2⁵ = 23190253 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 38416 + ... + 39014.

It is an arithmetic number, because the mean of its divisors is an integer number (1215000).

Almost surely, 2^23190285 is an apocalyptic number.

It is an amenable number.

23190285 is a deficient number, since it is larger than the sum of its proper divisors (15689715).

23190285 is a wasteful number, since it uses less digits than its factorization.

23190285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725.

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

The square root of 23190285 is about 4815.6292423732. The cubic root of 23190285 is about 285.1688134991.

The spelling of 23190285 in words is "twenty-three million, one hundred ninety thousand, two hundred eighty-five".