23109589 has 4 divisors (see below), whose sum is σ = 23126656. Its totient is φ = 23092524.

The previous prime is 23109587. The next prime is 23109631. The reversal of 23109589 is 98590132.

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 23109589 - 2¹ = 23109587 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 (23109587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6309 + ... + 9274.

It is an arithmetic number, because the mean of its divisors is an integer number (5781664).

Almost surely, 2^23109589 is an apocalyptic number.

It is an amenable number.

23109589 is a deficient number, since it is larger than the sum of its proper divisors (17067).

23109589 is a wasteful number, since it uses less digits than its factorization.

23109589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17066.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 23109589 is about 4807.2433888872. The cubic root of 23109589 is about 284.8376586478.

The spelling of 23109589 in words is "twenty-three million, one hundred nine thousand, five hundred eighty-nine".