230001020309 has 2 divisors, whose sum is σ = 230001020310. Its totient is φ = 230001020308.

The previous prime is 230001020297. The next prime is 230001020339. The reversal of 230001020309 is 903020100032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218103010225 + 11898010084 = 467015^2 + 109078^2 .

It is a cyclic number.

It is not a de Polignac number, because 230001020309 - 2¹² = 230001016213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230001020339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115000510154 + 115000510155.

It is an arithmetic number, because the mean of its divisors is an integer number (115000510155).

Almost surely, 2^230001020309 is an apocalyptic number.

It is an amenable number.

230001020309 is a deficient number, since it is larger than the sum of its proper divisors (1).

230001020309 is an equidigital number, since it uses as much as digits as its factorization.

230001020309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The spelling of 230001020309 in words is "two hundred thirty billion, one million, twenty thousand, three hundred nine".