3243220403 has 8 divisors (see below), whose sum is σ = 3348512640. Its totient is φ = 3137970240.

The previous prime is 3243220391. The next prime is 3243220483. The reversal of 3243220403 is 3040223423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3243220403 - 2¹⁸ = 3242958259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3243220483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245183 + ... + 258071.

It is an arithmetic number, because the mean of its divisors is an integer number (418564080).

Almost surely, 2^3243220403 is an apocalyptic number.

3243220403 is a deficient number, since it is larger than the sum of its proper divisors (105292237).

3243220403 is a wasteful number, since it uses less digits than its factorization.

3243220403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21037.

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

The square root of 3243220403 is about 56949.2792140515. The cubic root of 3243220403 is about 1480.2173413161.

Adding to 3243220403 its reverse (3040223423), we get a palindrome (6283443826).

The spelling of 3243220403 in words is "three billion, two hundred forty-three million, two hundred twenty thousand, four hundred three".