1323821332 has 12 divisors (see below), whose sum is σ = 2317603680. Its totient is φ = 661648856.

The previous prime is 1323821321. The next prime is 1323821351. The reversal of 1323821332 is 2331283231.

It is a self number, because there is not a number n which added to its sum of digits gives 1323821332.

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, 53848 + ... + 74479.

It is an arithmetic number, because the mean of its divisors is an integer number (193133640).

Almost surely, 2^1323821332 is an apocalyptic number.

It is an amenable number.

1323821332 is a deficient number, since it is larger than the sum of its proper divisors (993782348).

1323821332 is a wasteful number, since it uses less digits than its factorization.

1323821332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130910 (or 130908 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 1323821332 is about 36384.3555941286. The cubic root of 1323821332 is about 1098.0188394727.

The spelling of 1323821332 in words is "one billion, three hundred twenty-three million, eight hundred twenty-one thousand, three hundred thirty-two".