230311439 has 2 divisors, whose sum is σ = 230311440. Its totient is φ = 230311438.

The previous prime is 230311387. The next prime is 230311457. The reversal of 230311439 is 934113032.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230311439 - 2²⁰ = 229262863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230311469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115155719 + 115155720.

It is an arithmetic number, because the mean of its divisors is an integer number (115155720).

Almost surely, 2^230311439 is an apocalyptic number.

230311439 is a deficient number, since it is larger than the sum of its proper divisors (1).

230311439 is an equidigital number, since it uses as much as digits as its factorization.

230311439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 230311439 is about 15176.0152543413. The cubic root of 230311439 is about 612.9689882449.

The spelling of 230311439 in words is "two hundred thirty million, three hundred eleven thousand, four hundred thirty-nine".