323403200120 has 192 divisors, whose sum is σ = 984397095360. Its totient is φ = 93046947840.

The previous prime is 323403200117. The next prime is 323403200129. The reversal of 323403200120 is 21002304323.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 323403200092 and 323403200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323403200129) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 73304 + ... + 807576.

It is an arithmetic number, because the mean of its divisors is an integer number (5127068205).

Almost surely, 2^323403200120 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 323403200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492198547680).

323403200120 is an abundant number, since it is smaller than the sum of its proper divisors (660993895240).

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

323403200120 is a wasteful number, since it uses less digits than its factorization.

323403200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734326 (or 734311 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 323403200120 its reverse (21002304323), we get a palindrome (344405504443).

The spelling of 323403200120 in words is "three hundred twenty-three billion, four hundred three million, two hundred thousand, one hundred twenty".