23230589 has 4 divisors (see below), whose sum is σ = 23668956. Its totient is φ = 22792224.

The previous prime is 23230583. The next prime is 23230591. The reversal of 23230589 is 98503232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6543364 + 16687225 = 2558^2 + 4085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23230589 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23230583) 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, 219104 + ... + 219209.

It is an arithmetic number, because the mean of its divisors is an integer number (5917239).

Almost surely, 2^23230589 is an apocalyptic number.

It is an amenable number.

23230589 is a deficient number, since it is larger than the sum of its proper divisors (438367).

23230589 is an equidigital number, since it uses as much as digits as its factorization.

23230589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438366.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 23230589 is about 4819.8121332683. The cubic root of 23230589 is about 285.3339227516. Note that the first 3 decimals are identical.

The spelling of 23230589 in words is "twenty-three million, two hundred thirty thousand, five hundred eighty-nine".