3123132223321 has 16 divisors (see below), whose sum is σ = 3441315403008. Its totient is φ = 2810668032000.

The previous prime is 3123132223279. The next prime is 3123132223339. The reversal of 3123132223321 is 1233222313213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3123132223321 - 2⁹ = 3123132222809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3123132223321.

It is not an unprimeable number, because it can be changed into a prime (3123132283321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7127641 + ... + 7553113.

It is an arithmetic number, because the mean of its divisors is an integer number (215082212688).

Almost surely, 2^{3123132223321} is an apocalyptic number.

It is an amenable number.

3123132223321 is a deficient number, since it is larger than the sum of its proper divisors (318183179687).

3123132223321 is a wasteful number, since it uses less digits than its factorization.

3123132223321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432192.

The product of its digits is 7776, while the sum is 28.

Adding to 3123132223321 its reverse (1233222313213), we get a palindrome (4356354536534).

The spelling of 3123132223321 in words is "three trillion, one hundred twenty-three billion, one hundred thirty-two million, two hundred twenty-three thousand, three hundred twenty-one".