23275389 has 16 divisors (see below), whose sum is σ = 32348160. Its totient is φ = 14869680.

The previous prime is 23275381. The next prime is 23275391. The reversal of 23275389 is 98357232.

It is not a de Polignac number, because 23275389 - 2³ = 23275381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23275381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8782 + ... + 11120.

It is an arithmetic number, because the mean of its divisors is an integer number (2021760).

Almost surely, 2^23275389 is an apocalyptic number.

It is an amenable number.

23275389 is a deficient number, since it is larger than the sum of its proper divisors (9072771).

23275389 is a wasteful number, since it uses less digits than its factorization.

23275389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480.

The product of its digits is 90720, while the sum is 39.

The square root of 23275389 is about 4824.4573788147. The cubic root of 23275389 is about 285.5172263441.

The spelling of 23275389 in words is "twenty-three million, two hundred seventy-five thousand, three hundred eighty-nine".