230328961 has 2 divisors, whose sum is σ = 230328962. Its totient is φ = 230328960.

The previous prime is 230328947. The next prime is 230328997. The reversal of 230328961 is 169823032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230098561 + 230400 = 15169^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 230328961 - 2¹¹ = 230326913 is a prime.

It is not a weakly prime, because it can be changed into another prime (230328361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115164480 + 115164481.

It is an arithmetic number, because the mean of its divisors is an integer number (115164481).

Almost surely, 2^230328961 is an apocalyptic number.

It is an amenable number.

230328961 is a deficient number, since it is larger than the sum of its proper divisors (1).

230328961 is an equidigital number, since it uses as much as digits as its factorization.

230328961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 230328961 is about 15176.5925358758. The cubic root of 230328961 is about 612.9845326606.

The spelling of 230328961 in words is "two hundred thirty million, three hundred twenty-eight thousand, nine hundred sixty-one".