230007209 has 2 divisors, whose sum is σ = 230007210. Its totient is φ = 230007208.

The previous prime is 230007139. The next prime is 230007233. The reversal of 230007209 is 902700032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135373225 + 94633984 = 11635^2 + 9728^2 .

It is a cyclic number.

It is not a de Polignac number, because 230007209 - 2²⁴ = 213229993 is a prime.

It is not a weakly prime, because it can be changed into another prime (230007409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115003604 + 115003605.

It is an arithmetic number, because the mean of its divisors is an integer number (115003605).

Almost surely, 2^230007209 is an apocalyptic number.

It is an amenable number.

230007209 is a deficient number, since it is larger than the sum of its proper divisors (1).

230007209 is an equidigital number, since it uses as much as digits as its factorization.

230007209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 230007209 is about 15165.9885599324. The cubic root of 230007209 is about 612.6989687614.

The spelling of 230007209 in words is "two hundred thirty million, seven thousand, two hundred nine".