323232231221020 has 384 divisors, whose sum is σ = 813507417096192. Its totient is φ = 106506770841600.

The previous prime is 323232231220973. The next prime is 323232231221077. The reversal of 323232231221020 is 20122132232323.

It is a self number, because there is not a number n which added to its sum of digits gives 323232231221020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 36928160964 + ... + 36928169716.

It is an arithmetic number, because the mean of its divisors is an integer number (2118508898688).

Almost surely, 2^{323232231221020} 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 323232231221020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406753708548096).

323232231221020 is an abundant number, since it is smaller than the sum of its proper divisors (490275185875172).

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

323232231221020 is a wasteful number, since it uses less digits than its factorization.

323232231221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10421 (or 10419 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 323232231221020 its reverse (20122132232323), we get a palindrome (343354363453343).

The spelling of 323232231221020 in words is "three hundred twenty-three trillion, two hundred thirty-two billion, two hundred thirty-one million, two hundred twenty-one thousand, twenty".