230399761 has 2 divisors, whose sum is σ = 230399762. Its totient is φ = 230399760.

The previous prime is 230399723. The next prime is 230399797. The reversal of 230399761 is 167993032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202521361 + 27878400 = 14231^2 + 5280^2 .

It is a cyclic number.

It is not a de Polignac number, because 230399761 - 2¹³ = 230391569 is a prime.

It is not a weakly prime, because it can be changed into another prime (230399711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115199880 + 115199881.

It is an arithmetic number, because the mean of its divisors is an integer number (115199881).

Almost surely, 2^230399761 is an apocalyptic number.

It is an amenable number.

230399761 is a deficient number, since it is larger than the sum of its proper divisors (1).

230399761 is an equidigital number, since it uses as much as digits as its factorization.

230399761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 230399761 is about 15178.9248960524. The cubic root of 230399761 is about 613.0473339380.

The spelling of 230399761 in words is "two hundred thirty million, three hundred ninety-nine thousand, seven hundred sixty-one".