23272389 has 24 divisors (see below), whose sum is σ = 40090752. Its totient is φ = 12719520.

The previous prime is 23272387. The next prime is 23272391. The reversal of 23272389 is 98327232.

23272389 is a `hidden beast` number, since 2 + 3 + 272 + 389 = 666.

It is an interprime number because it is at equal distance from previous prime (23272387) and next prime (23272391).

It is not a de Polignac number, because 23272389 - 2¹ = 23272387 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 (23272387) 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 23 ways as a sum of consecutive naturals, for example, 6582 + ... + 9479.

It is an arithmetic number, because the mean of its divisors is an integer number (1670448).

Almost surely, 2^23272389 is an apocalyptic number.

It is an amenable number.

23272389 is a deficient number, since it is larger than the sum of its proper divisors (16818363).

23272389 is a wasteful number, since it uses less digits than its factorization.

23272389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16097 (or 16094 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 23272389 is about 4824.1464530008. The cubic root of 23272389 is about 285.5049589016.

The spelling of 23272389 in words is "twenty-three million, two hundred seventy-two thousand, three hundred eighty-nine".