230320681 has 2 divisors, whose sum is σ = 230320682. Its totient is φ = 230320680.

The previous prime is 230320661. The next prime is 230320693. The reversal of 230320681 is 186023032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149230656 + 81090025 = 12216^2 + 9005^2 .

It is a cyclic number.

It is not a de Polignac number, because 230320681 - 2²⁵ = 196766249 is a prime.

It is a super-2 number, since 2×230320681² = 106095232192607522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (230320661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115160340 + 115160341.

It is an arithmetic number, because the mean of its divisors is an integer number (115160341).

Almost surely, 2^230320681 is an apocalyptic number.

It is an amenable number.

230320681 is a deficient number, since it is larger than the sum of its proper divisors (1).

230320681 is an equidigital number, since it uses as much as digits as its factorization.

230320681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 230320681 is about 15176.3197449184. The cubic root of 230320681 is about 612.9771872639.

The spelling of 230320681 in words is "two hundred thirty million, three hundred twenty thousand, six hundred eighty-one".