1323975936000 has 768 divisors, whose sum is σ = 4752207532800. Its totient is φ = 326172672000.

The previous prime is 1323975935899. The next prime is 1323975936007. The reversal of 1323975936000 is 6395793231.

It is a tau number, because it is divible by the number of its divisors (768).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1323975936007) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 598270894 + ... + 598273106.

It is an arithmetic number, because the mean of its divisors is an integer number (6187770225).

Almost surely, 2^{1323975936000} is an apocalyptic number.

1323975936000 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 1323975936000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2376103766400).

1323975936000 is an abundant number, since it is smaller than the sum of its proper divisors (3428231596800).

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

1323975936000 is a wasteful number, since it uses less digits than its factorization.

1323975936000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 48.

The spelling of 1323975936000 in words is "one trillion, three hundred twenty-three billion, nine hundred seventy-five million, nine hundred thirty-six thousand".