230644003 has 2 divisors, whose sum is σ = 230644004. Its totient is φ = 230644002.

The previous prime is 230643929. The next prime is 230644009. The reversal of 230644003 is 300446032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230644003 is a prime.

It is a super-2 number, since 2×230644003² = 106393312239728018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (230644009) 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, 115322001 + 115322002.

It is an arithmetic number, because the mean of its divisors is an integer number (115322002).

Almost surely, 2^230644003 is an apocalyptic number.

230644003 is a deficient number, since it is larger than the sum of its proper divisors (1).

230644003 is an equidigital number, since it uses as much as digits as its factorization.

230644003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 230644003 is about 15186.9681964505. The cubic root of 230644003 is about 613.2638836835.

The spelling of 230644003 in words is "two hundred thirty million, six hundred forty-four thousand, three".