1323223311284 has 12 divisors (see below), whose sum is σ = 2646446622624. Its totient is φ = 567095704824.

The previous prime is 1323223311283. The next prime is 1323223311299. The reversal of 1323223311284 is 4821133223231.

1323223311284 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323223311283) by changing a digit.

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, 23628987674 + ... + 23628987729.

It is an arithmetic number, because the mean of its divisors is an integer number (220537218552).

Almost surely, 2^{1323223311284} is an apocalyptic number.

1323223311284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1323223311284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1323223311284 is a wasteful number, since it uses less digits than its factorization.

1323223311284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47257975414 (or 47257975412 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The spelling of 1323223311284 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-three million, three hundred eleven thousand, two hundred eighty-four".