1323220330133 has 16 divisors (see below), whose sum is σ = 1434247280256. Its totient is φ = 1213515276480.

The previous prime is 1323220330129. The next prime is 1323220330147. The reversal of 1323220330133 is 3310330223231.

It is a happy number.

It is not a de Polignac number, because 1323220330133 - 2² = 1323220330129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323220330433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20588138 + ... + 20652308.

It is an arithmetic number, because the mean of its divisors is an integer number (89640455016).

Almost surely, 2^{1323220330133} is an apocalyptic number.

1323220330133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1323220330133 is a deficient number, since it is larger than the sum of its proper divisors (111026950123).

1323220330133 is a wasteful number, since it uses less digits than its factorization.

1323220330133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74444.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 1323220330133 its reverse (3310330223231), we get a palindrome (4633550553364).

The spelling of 1323220330133 in words is "one trillion, three hundred twenty-three billion, two hundred twenty million, three hundred thirty thousand, one hundred thirty-three".