23161589 has 8 divisors (see below), whose sum is σ = 26597280. Its totient is φ = 19947600.

The previous prime is 23161577. The next prime is 23161601. The reversal of 23161589 is 98516132.

It is an interprime number because it is at equal distance from previous prime (23161577) and next prime (23161601).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23161589 - 2¹² = 23157493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23161559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55202 + ... + 55619.

It is an arithmetic number, because the mean of its divisors is an integer number (3324660).

Almost surely, 2^23161589 is an apocalyptic number.

It is an amenable number.

23161589 is a deficient number, since it is larger than the sum of its proper divisors (3435691).

23161589 is a wasteful number, since it uses less digits than its factorization.

23161589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110851.

The product of its digits is 12960, while the sum is 35.

The square root of 23161589 is about 4812.6488548408. The cubic root of 23161589 is about 285.0511409201.

The spelling of 23161589 in words is "twenty-three million, one hundred sixty-one thousand, five hundred eighty-nine".