321003321423020 has 12 divisors (see below), whose sum is σ = 674106974988384. Its totient is φ = 128401328569200.

The previous prime is 321003321423019. The next prime is 321003321423049. The reversal of 321003321423020 is 20324123300123.

It is a happy number.

It is a super-2 number, since 2×321003321423020² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8025083035556 + ... + 8025083035595.

It is an arithmetic number, because the mean of its divisors is an integer number (56175581249032).

Almost surely, 2^{321003321423020} is an apocalyptic number.

It is an amenable number.

321003321423020 is an abundant number, since it is smaller than the sum of its proper divisors (353103653565364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321003321423020 is a wasteful number, since it uses less digits than its factorization.

321003321423020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16050166071160 (or 16050166071158 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 321003321423020 its reverse (20324123300123), we get a palindrome (341327444723143).

The spelling of 321003321423020 in words is "three hundred twenty-one trillion, three billion, three hundred twenty-one million, four hundred twenty-three thousand, twenty".