230370289 has 4 divisors (see below), whose sum is σ = 230902756. Its totient is φ = 229837824.

The previous prime is 230370199. The next prime is 230370299. The reversal of 230370289 is 982073032.

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 51265600 + 179104689 = 7160^2 + 13383^2 .

It is a cyclic number.

It is not a de Polignac number, because 230370289 - 2¹⁵ = 230337521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230370299) 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, 265584 + ... + 266449.

It is an arithmetic number, because the mean of its divisors is an integer number (57725689).

Almost surely, 2^230370289 is an apocalyptic number.

It is an amenable number.

230370289 is a deficient number, since it is larger than the sum of its proper divisors (532467).

230370289 is an equidigital number, since it uses as much as digits as its factorization.

230370289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532466.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 230370289 is about 15177.9540452592. The cubic root of 230370289 is about 613.0211931391.

The spelling of 230370289 in words is "two hundred thirty million, three hundred seventy thousand, two hundred eighty-nine".