3243240143 has 64 divisors (see below), whose sum is σ = 4228761600. Its totient is φ = 2442908160.

The previous prime is 3243240101. The next prime is 3243240149. The reversal of 3243240143 is 3410423423.

It is not a de Polignac number, because 3243240143 - 2¹⁶ = 3243174607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243240149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3528638 + ... + 3529556.

It is an arithmetic number, because the mean of its divisors is an integer number (66074400).

Almost surely, 2^3243240143 is an apocalyptic number.

3243240143 is a deficient number, since it is larger than the sum of its proper divisors (985521457).

3243240143 is a wasteful number, since it uses less digits than its factorization.

3243240143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 3243240143 is about 56949.4525259023. The cubic root of 3243240143 is about 1480.2203444454.

Adding to 3243240143 its reverse (3410423423), we get a palindrome (6653663566).

The spelling of 3243240143 in words is "three billion, two hundred forty-three million, two hundred forty thousand, one hundred forty-three".