13323011856000 has 2048 divisors, whose sum is σ = 57369476136960. Its totient is φ = 2679114240000.

The previous prime is 13323011855963. The next prime is 13323011856001. The reversal of 13323011856000 is 65811032331.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13323011856001) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 429774575985 + ... + 429774576015.

It is an arithmetic number, because the mean of its divisors is an integer number (28012439520).

Almost surely, 2^{13323011856000} is an apocalyptic number.

13323011856000 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 13323011856000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28684738068480).

13323011856000 is an abundant number, since it is smaller than the sum of its proper divisors (44046464280960).

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

13323011856000 is an frugal number, since it uses more digits than its factorization.

13323011856000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 13323011856000 its reverse (65811032331), we get a palindrome (13388822888331).

The spelling of 13323011856000 in words is "thirteen trillion, three hundred twenty-three billion, eleven million, eight hundred fifty-six thousand".