230838947 has 2 divisors, whose sum is σ = 230838948. Its totient is φ = 230838946.

The previous prime is 230838943. The next prime is 230838973. The reversal of 230838947 is 749838032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230838947 - 2² = 230838943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230838898 and 230838907.

It is not a weakly prime, because it can be changed into another prime (230838943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115419473 + 115419474.

It is an arithmetic number, because the mean of its divisors is an integer number (115419474).

Almost surely, 2^230838947 is an apocalyptic number.

230838947 is a deficient number, since it is larger than the sum of its proper divisors (1).

230838947 is an equidigital number, since it uses as much as digits as its factorization.

230838947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 230838947 is about 15193.3849750475. The cubic root of 230838947 is about 613.4366151750.

The spelling of 230838947 in words is "two hundred thirty million, eight hundred thirty-eight thousand, nine hundred forty-seven".