230351566309 has 2 divisors, whose sum is σ = 230351566310. Its totient is φ = 230351566308.

The previous prime is 230351566279. The next prime is 230351566321. The reversal of 230351566309 is 903665153032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152024349409 + 78327216900 = 389903^2 + 279870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230351566309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230351566909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115175783154 + 115175783155.

It is an arithmetic number, because the mean of its divisors is an integer number (115175783155).

Almost surely, 2^230351566309 is an apocalyptic number.

It is an amenable number.

230351566309 is a deficient number, since it is larger than the sum of its proper divisors (1).

230351566309 is an equidigital number, since it uses as much as digits as its factorization.

230351566309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 437400, while the sum is 43.

The spelling of 230351566309 in words is "two hundred thirty billion, three hundred fifty-one million, five hundred sixty-six thousand, three hundred nine".