321233123120 has 320 divisors, whose sum is σ = 969867924480. Its totient is φ = 96088633344.

The previous prime is 321233123117. The next prime is 321233123161. The reversal of 321233123120 is 21321332123.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64592954 + ... + 64597926.

It is an arithmetic number, because the mean of its divisors is an integer number (3030837264).

Almost surely, 2^321233123120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321233123120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484933962240).

321233123120 is an abundant number, since it is smaller than the sum of its proper divisors (648634801360).

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

321233123120 is a wasteful number, since it uses less digits than its factorization.

321233123120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492 (or 5486 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 321233123120 its reverse (21321332123), we get a palindrome (342554455243).

The spelling of 321233123120 in words is "three hundred twenty-one billion, two hundred thirty-three million, one hundred twenty-three thousand, one hundred twenty".