323233120020 has 72 divisors (see below), whose sum is σ = 916089533856. Its totient is φ = 85156889792.

The previous prime is 323233120019. The next prime is 323233120097. The reversal of 323233120020 is 20021332323.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22339 + ... + 804341.

It is an arithmetic number, because the mean of its divisors is an integer number (12723465748).

Almost surely, 2^323233120020 is an apocalyptic number.

323233120020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323233120020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458044766928).

323233120020 is an abundant number, since it is smaller than the sum of its proper divisors (592856413836).

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

323233120020 is a wasteful number, since it uses less digits than its factorization.

323233120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782181 (or 782096 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 323233120020 its reverse (20021332323), we get a palindrome (343254452343).

The spelling of 323233120020 in words is "three hundred twenty-three billion, two hundred thirty-three million, one hundred twenty thousand, twenty".