3420144123321 has 4 divisors (see below), whose sum is σ = 4560192164432. Its totient is φ = 2280096082212.

The previous prime is 3420144123313. The next prime is 3420144123323. The reversal of 3420144123321 is 1233214410243.

3420144123321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3420144123321 - 2³ = 3420144123313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3420144123323) 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 3 ways as a sum of consecutive naturals, for example, 570024020551 + ... + 570024020556.

It is an arithmetic number, because the mean of its divisors is an integer number (1140048041108).

Almost surely, 2^{3420144123321} is an apocalyptic number.

It is an amenable number.

3420144123321 is a deficient number, since it is larger than the sum of its proper divisors (1140048041111).

3420144123321 is a wasteful number, since it uses less digits than its factorization.

3420144123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140048041110.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 3420144123321 its reverse (1233214410243), we get a palindrome (4653358533564).

The spelling of 3420144123321 in words is "three trillion, four hundred twenty billion, one hundred forty-four million, one hundred twenty-three thousand, three hundred twenty-one".