23230989 has 16 divisors (see below), whose sum is σ = 35913600. Its totient is φ = 14813568.

The previous prime is 23230981. The next prime is 23231003. The reversal of 23230989 is 98903232.

It is not a de Polignac number, because 23230989 - 2³ = 23230981 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 (23230981) 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, 18084 + ... + 19325.

It is an arithmetic number, because the mean of its divisors is an integer number (2244600).

Almost surely, 2^23230989 is an apocalyptic number.

It is an amenable number.

23230989 is a deficient number, since it is larger than the sum of its proper divisors (12682611).

23230989 is a wasteful number, since it uses less digits than its factorization.

23230989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37441 (or 37435 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 23230989 is about 4819.8536284829. The cubic root of 23230989 is about 285.3355604331.

The spelling of 23230989 in words is "twenty-three million, two hundred thirty thousand, nine hundred eighty-nine".