3420243402303 has 16 divisors (see below), whose sum is σ = 5612707122176. Its totient is φ = 1804084431840.

The previous prime is 3420243402271. The next prime is 3420243402313. The reversal of 3420243402303 is 3032043420243.

It is not a de Polignac number, because 3420243402303 - 2⁵ = 3420243402271 is a prime.

It is a super-2 number, since 2×3420243402303² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420243402313) 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 in 15 ways as a sum of consecutive naturals, for example, 6264181783 + ... + 6264182328.

It is an arithmetic number, because the mean of its divisors is an integer number (350794195136).

Almost surely, 2^{3420243402303} is an apocalyptic number.

3420243402303 is a deficient number, since it is larger than the sum of its proper divisors (2192463719873).

3420243402303 is a wasteful number, since it uses less digits than its factorization.

3420243402303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12528364134.

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 3420243402303 its reverse (3032043420243), we get a palindrome (6452286822546).

The spelling of 3420243402303 in words is "three trillion, four hundred twenty billion, two hundred forty-three million, four hundred two thousand, three hundred three".