3243020243 has 2 divisors, whose sum is σ = 3243020244. Its totient is φ = 3243020242.

The previous prime is 3243020227. The next prime is 3243020273. The reversal of 3243020243 is 3420203423.

3243020243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3243020243 - 2⁴ = 3243020227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3243020203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621510121 + 1621510122.

It is an arithmetic number, because the mean of its divisors is an integer number (1621510122).

Almost surely, 2^3243020243 is an apocalyptic number.

3243020243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243020243 is an equidigital number, since it uses as much as digits as its factorization.

3243020243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 3243020243 is about 56947.5218337023. The cubic root of 3243020243 is about 1480.1868894440.

Adding to 3243020243 its reverse (3420203423), we get a palindrome (6663223666).

The spelling of 3243020243 in words is "three billion, two hundred forty-three million, twenty thousand, two hundred forty-three".