1323796136320 has 384 divisors, whose sum is σ = 3945032955360. Its totient is φ = 422013763584.

The previous prime is 1323796136297. The next prime is 1323796136387. The reversal of 1323796136320 is 236316973231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44234002 + ... + 44263918.

Almost surely, 2^{1323796136320} is an apocalyptic number.

1323796136320 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 1323796136320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1972516477680).

1323796136320 is an abundant number, since it is smaller than the sum of its proper divisors (2621236819040).

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

1323796136320 is a wasteful number, since it uses less digits than its factorization.

1323796136320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30050 (or 30031 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 46.

The spelling of 1323796136320 in words is "one trillion, three hundred twenty-three billion, seven hundred ninety-six million, one hundred thirty-six thousand, three hundred twenty".