23430689 has 4 divisors (see below), whose sum is σ = 23727360. Its totient is φ = 23134020.

The previous prime is 23430683. The next prime is 23430703. The reversal of 23430689 is 98603432.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-23430689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23430683) 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, 148217 + ... + 148374.

It is an arithmetic number, because the mean of its divisors is an integer number (5931840).

Almost surely, 2^23430689 is an apocalyptic number.

It is an amenable number.

23430689 is a deficient number, since it is larger than the sum of its proper divisors (296671).

23430689 is an equidigital number, since it uses as much as digits as its factorization.

23430689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296670.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 23430689 is about 4840.5256945914. The cubic root of 23430689 is about 286.1508365350.

The spelling of 23430689 in words is "twenty-three million, four hundred thirty thousand, six hundred eighty-nine".