1323102320000 has 160 divisors (see below), whose sum is σ = 3400037889600. Its totient is φ = 512167680000.

The previous prime is 1323102319993. The next prime is 1323102320011. The reversal of 1323102320000 is 232013231.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2213246 + ... + 2746754.

It is an arithmetic number, because the mean of its divisors is an integer number (21250236810).

Almost surely, 2^{1323102320000} is an apocalyptic number.

1323102320000 is a gapful number since it is divisible by the number (10) 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 1323102320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1700018944800).

1323102320000 is an abundant number, since it is smaller than the sum of its proper divisors (2076935569600).

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

1323102320000 is an frugal number, since it uses more digits than its factorization.

1323102320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533574 (or 533547 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1323102320000 its reverse (232013231), we get a palindrome (1323334333231).

The spelling of 1323102320000 in words is "one trillion, three hundred twenty-three billion, one hundred two million, three hundred twenty thousand".