1323253223200 has 72 divisors (see below), whose sum is σ = 3271283124480. Its totient is φ = 522601248000.

The previous prime is 1323253223119. The next prime is 1323253223213. The reversal of 1323253223200 is 23223523231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10405576 + ... + 10531975.

It is an arithmetic number, because the mean of its divisors is an integer number (45434487840).

Almost surely, 2^{1323253223200} is an apocalyptic number.

1323253223200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323253223200 is an abundant number, since it is smaller than the sum of its proper divisors (1948029901280).

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

1323253223200 is a wasteful number, since it uses less digits than its factorization.

1323253223200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20937650 (or 20937637 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 1323253223200 its reverse (23223523231), we get a palindrome (1346476746431).

The spelling of 1323253223200 in words is "one trillion, three hundred twenty-three billion, two hundred fifty-three million, two hundred twenty-three thousand, two hundred".