230363509 has 2 divisors, whose sum is σ = 230363510. Its totient is φ = 230363508.

The previous prime is 230363473. The next prime is 230363563. The reversal of 230363509 is 905363032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187827025 + 42536484 = 13705^2 + 6522^2 .

It is a cyclic number.

It is not a de Polignac number, because 230363509 - 2¹³ = 230355317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230363909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115181754 + 115181755.

It is an arithmetic number, because the mean of its divisors is an integer number (115181755).

Almost surely, 2^230363509 is an apocalyptic number.

It is an amenable number.

230363509 is a deficient number, since it is larger than the sum of its proper divisors (1).

230363509 is an equidigital number, since it uses as much as digits as its factorization.

230363509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 230363509 is about 15177.7306933547. The cubic root of 230363509 is about 613.0151791626.

The spelling of 230363509 in words is "two hundred thirty million, three hundred sixty-three thousand, five hundred nine".