230393 has 2 divisors, whose sum is σ = 230394. Its totient is φ = 230392.

The previous prime is 230389. The next prime is 230431. The reversal of 230393 is 393032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153664 + 76729 = 392^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 230393 - 2² = 230389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (230303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115196 + 115197.

It is an arithmetic number, because the mean of its divisors is an integer number (115197).

2²³⁰³⁹³ is an apocalyptic number.

It is an amenable number.

230393 is a deficient number, since it is larger than the sum of its proper divisors (1).

230393 is an equidigital number, since it uses as much as digits as its factorization.

230393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 230393 is about 479.9927082779. The cubic root of 230393 is about 61.3041337326.

The spelling of 230393 in words is "two hundred thirty thousand, three hundred ninety-three".