230505337 has 4 divisors (see below), whose sum is σ = 230776420. Its totient is φ = 230234256.

The previous prime is 230505323. The next prime is 230505347. The reversal of 230505337 is 733505032.

It is a happy number.

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 83101456 + 147403881 = 9116^2 + 12141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230505337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230505347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134262 + ... + 135967.

It is an arithmetic number, because the mean of its divisors is an integer number (57694105).

Almost surely, 2^230505337 is an apocalyptic number.

It is an amenable number.

230505337 is a deficient number, since it is larger than the sum of its proper divisors (271083).

230505337 is an equidigital number, since it uses as much as digits as its factorization.

230505337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271082.

The product of its (nonzero) digits is 9450, while the sum is 28.

The square root of 230505337 is about 15182.4022144060. The cubic root of 230505337 is about 613.1409584590.

The spelling of 230505337 in words is "two hundred thirty million, five hundred five thousand, three hundred thirty-seven".