1323320011224 has 16 divisors (see below), whose sum is σ = 3308300028120. Its totient is φ = 441106670400.

The previous prime is 1323320011199. The next prime is 1323320011253. The reversal of 1323320011224 is 4221100233231.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 55138333801 = 1323320011224 / (1 + 3 + 2 + 3 + 3 + 2 + 0 + 0 + 1 + 1 + 2 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 1323320011194 and 1323320011203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27569166877 + ... + 27569166924.

Almost surely, 2^{1323320011224} is an apocalyptic number.

It is an amenable number.

1323320011224 is an abundant number, since it is smaller than the sum of its proper divisors (1984980016896).

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

1323320011224 is a wasteful number, since it uses less digits than its factorization.

1323320011224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55138333810 (or 55138333806 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1323320011224 its reverse (4221100233231), we get a palindrome (5544420244455).

The spelling of 1323320011224 in words is "one trillion, three hundred twenty-three billion, three hundred twenty million, eleven thousand, two hundred twenty-four".