23256189 has 24 divisors (see below), whose sum is σ = 37256544. Its totient is φ = 13860000.

The previous prime is 23256179. The next prime is 23256193. The reversal of 23256189 is 98165232.

23256189 is a `hidden beast` number, since 2 + 32 + 5 + 618 + 9 = 666.

It is not a de Polignac number, because 23256189 - 2¹⁶ = 23190653 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23256109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4114 + ... + 7964.

It is an arithmetic number, because the mean of its divisors is an integer number (1552356).

Almost surely, 2^23256189 is an apocalyptic number.

It is an amenable number.

23256189 is a deficient number, since it is larger than the sum of its proper divisors (14000355).

23256189 is a wasteful number, since it uses less digits than its factorization.

23256189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929 (or 3926 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 23256189 is about 4822.4671071973. The cubic root of 23256189 is about 285.4386964887.

The spelling of 23256189 in words is "twenty-three million, two hundred fifty-six thousand, one hundred eighty-nine".