1323969984 has 84 divisors (see below), whose sum is σ = 3800443504. Its totient is φ = 440681472.

The previous prime is 1323969967. The next prime is 1323970033. The reversal of 1323969984 is 4899693231.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1323969984.

It is a congruent 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, 555804 + ... + 558180.

Almost surely, 2^1323969984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323969984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1900221752).

1323969984 is an abundant number, since it is smaller than the sum of its proper divisors (2476473520).

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

1323969984 is a wasteful number, since it uses less digits than its factorization.

1323969984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362 (or 3349 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 1323969984 is about 36386.3983378405. The cubic root of 1323969984 is about 1098.0599368080.

The spelling of 1323969984 in words is "one billion, three hundred twenty-three million, nine hundred sixty-nine thousand, nine hundred eighty-four".