512430220243 has 2 divisors, whose sum is σ = 512430220244. Its totient is φ = 512430220242.

The previous prime is 512430220223. The next prime is 512430220279. The reversal of 512430220243 is 342022034215.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512430220243 is a prime.

It is not a weakly prime, because it can be changed into another prime (512430220223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256215110121 + 256215110122.

It is an arithmetic number, because the mean of its divisors is an integer number (256215110122).

Almost surely, 2^512430220243 is an apocalyptic number.

512430220243 is a deficient number, since it is larger than the sum of its proper divisors (1).

512430220243 is an equidigital number, since it uses as much as digits as its factorization.

512430220243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 512430220243 its reverse (342022034215), we get a palindrome (854452254458).

The spelling of 512430220243 in words is "five hundred twelve billion, four hundred thirty million, two hundred twenty thousand, two hundred forty-three".