230789983 has 4 divisors (see below), whose sum is σ = 230855760. Its totient is φ = 230724208.

The previous prime is 230789959. The next prime is 230790089. The reversal of 230789983 is 389987032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230789983 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 (230789183) 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, 27310 + ... + 34747.

It is an arithmetic number, because the mean of its divisors is an integer number (57713940).

Almost surely, 2^230789983 is an apocalyptic number.

230789983 is a deficient number, since it is larger than the sum of its proper divisors (65777).

230789983 is an equidigital number, since it uses as much as digits as its factorization.

230789983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65776.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 230789983 is about 15191.7735304342. The cubic root of 230789983 is about 613.3932394293.

The spelling of 230789983 in words is "two hundred thirty million, seven hundred eighty-nine thousand, nine hundred eighty-three".