230273819 has 2 divisors, whose sum is σ = 230273820. Its totient is φ = 230273818.

The previous prime is 230273809. The next prime is 230273831. The reversal of 230273819 is 918372032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230273819 is a prime.

It is a super-2 number, since 2×230273819² = 106052063433689522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230273809) 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, 115136909 + 115136910.

It is an arithmetic number, because the mean of its divisors is an integer number (115136910).

Almost surely, 2^230273819 is an apocalyptic number.

230273819 is a deficient number, since it is larger than the sum of its proper divisors (1).

230273819 is an equidigital number, since it uses as much as digits as its factorization.

230273819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 230273819 is about 15174.7757479312. The cubic root of 230273819 is about 612.9356114847.

The spelling of 230273819 in words is "two hundred thirty million, two hundred seventy-three thousand, eight hundred nineteen".