323021132100320 has 192 divisors, whose sum is σ = 796937508089856. Its totient is φ = 123494480609280.

The previous prime is 323021132100301. The next prime is 323021132100367. The reversal of 323021132100320 is 23001231120323.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40698135392 + ... + 40698143328.

It is an arithmetic number, because the mean of its divisors is an integer number (4150716187968).

Almost surely, 2^{323021132100320} 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 323021132100320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398468754044928).

323021132100320 is an abundant number, since it is smaller than the sum of its proper divisors (473916375989536).

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

323021132100320 is a wasteful number, since it uses less digits than its factorization.

323021132100320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15193 (or 15185 counting only the distinct ones).

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

Adding to 323021132100320 its reverse (23001231120323), we get a palindrome (346022363220643).

The spelling of 323021132100320 in words is "three hundred twenty-three trillion, twenty-one billion, one hundred thirty-two million, one hundred thousand, three hundred twenty".