330420043 has 2 divisors, whose sum is σ = 330420044. Its totient is φ = 330420042.

The previous prime is 330420031. The next prime is 330420049. The reversal of 330420043 is 340024033.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330420043 is a prime.

It is a super-2 number, since 2×330420043² = 218354809632243698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 330420043.

It is not a weakly prime, because it can be changed into another prime (330420049) 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, 165210021 + 165210022.

It is an arithmetic number, because the mean of its divisors is an integer number (165210022).

Almost surely, 2^330420043 is an apocalyptic number.

330420043 is a deficient number, since it is larger than the sum of its proper divisors (1).

330420043 is an equidigital number, since it uses as much as digits as its factorization.

330420043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 330420043 is about 18177.4597510213. The cubic root of 330420043 is about 691.3353981740.

Adding to 330420043 its reverse (340024033), we get a palindrome (670444076).

The spelling of 330420043 in words is "three hundred thirty million, four hundred twenty thousand, forty-three".