3243000243 has 16 divisors (see below), whose sum is σ = 4977271040. Its totient is φ = 1839809376.

The previous prime is 3243000209. The next prime is 3243000289. The reversal of 3243000243 is 3420003423.

It is not a de Polignac number, because 3243000243 - 2⁹ = 3242999731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3243000203) 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 in 15 ways as a sum of consecutive naturals, for example, 552580 + ... + 558417.

It is an arithmetic number, because the mean of its divisors is an integer number (311079440).

Almost surely, 2^3243000243 is an apocalyptic number.

3243000243 is a deficient number, since it is larger than the sum of its proper divisors (1734270797).

3243000243 is a wasteful number, since it uses less digits than its factorization.

3243000243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111146.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 3243000243 is about 56947.3462331652. The cubic root of 3243000243 is about 1480.1838466222.

Adding to 3243000243 its reverse (3420003423), we get a palindrome (6663003666).

The spelling of 3243000243 in words is "three billion, two hundred forty-three million, two hundred forty-three", and thus it is an aban number.