230705593 has 2 divisors, whose sum is σ = 230705594. Its totient is φ = 230705592.

The previous prime is 230705569. The next prime is 230705597. The reversal of 230705593 is 395507032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226592809 + 4112784 = 15053^2 + 2028^2 .

It is a cyclic number.

It is not a de Polignac number, because 230705593 - 2²¹ = 228608441 is a prime.

It is not a weakly prime, because it can be changed into another prime (230705597) 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, 115352796 + 115352797.

It is an arithmetic number, because the mean of its divisors is an integer number (115352797).

Almost surely, 2^230705593 is an apocalyptic number.

It is an amenable number.

230705593 is a deficient number, since it is larger than the sum of its proper divisors (1).

230705593 is an equidigital number, since it uses as much as digits as its factorization.

230705593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 230705593 is about 15188.9957864238. The cubic root of 230705593 is about 613.3184664468.

The spelling of 230705593 in words is "two hundred thirty million, seven hundred five thousand, five hundred ninety-three".