23265289 has 4 divisors (see below), whose sum is σ = 23382400. Its totient is φ = 23148180.

The previous prime is 23265247. The next prime is 23265313. The reversal of 23265289 is 98256232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23265289 - 2⁹ = 23264777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23265239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58257 + ... + 58654.

It is an arithmetic number, because the mean of its divisors is an integer number (5845600).

Almost surely, 2^23265289 is an apocalyptic number.

It is an amenable number.

23265289 is a deficient number, since it is larger than the sum of its proper divisors (117111).

23265289 is a wasteful number, since it uses less digits than its factorization.

23265289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117110.

The product of its digits is 51840, while the sum is 37.

The square root of 23265289 is about 4823.4105153926. The cubic root of 23265289 is about 285.4759217540.

The spelling of 23265289 in words is "twenty-three million, two hundred sixty-five thousand, two hundred eighty-nine".