1323100100322 has 384 divisors, whose sum is σ = 4079355291648. Its totient is φ = 298279065600.

The previous prime is 1323100100263. The next prime is 1323100100323. The reversal of 1323100100322 is 2230010013231.

1323100100322 is a `hidden beast` number, since 1 + 32 + 310 + 0 + 1 + 0 + 0 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1323100100295 and 1323100100304.

It is not an unprimeable number, because it can be changed into a prime (1323100100323) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 620881197 + ... + 620883327.

It is an arithmetic number, because the mean of its divisors is an integer number (10623321072).

Almost surely, 2^{1323100100322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323100100322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2039677645824).

1323100100322 is an abundant number, since it is smaller than the sum of its proper divisors (2756255191326).

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

1323100100322 is a wasteful number, since it uses less digits than its factorization.

1323100100322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214 (or 4211 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1323100100322 its reverse (2230010013231), we get a palindrome (3553110113553).

The spelling of 1323100100322 in words is "one trillion, three hundred twenty-three billion, one hundred million, one hundred thousand, three hundred twenty-two".