230403143030509 has 2 divisors, whose sum is σ = 230403143030510. Its totient is φ = 230403143030508.

The previous prime is 230403143030503. The next prime is 230403143030513. The reversal of 230403143030509 is 905030341304032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210341504954025 + 20061638076484 = 14503155^2 + 4479022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230403143030509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230403143030503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115201571515254 + 115201571515255.

It is an arithmetic number, because the mean of its divisors is an integer number (115201571515255).

Almost surely, 2^{230403143030509} is an apocalyptic number.

It is an amenable number.

230403143030509 is a deficient number, since it is larger than the sum of its proper divisors (1).

230403143030509 is an equidigital number, since it uses as much as digits as its factorization.

230403143030509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 37.

The spelling of 230403143030509 in words is "two hundred thirty trillion, four hundred three billion, one hundred forty-three million, thirty thousand, five hundred nine".