1320323799 has 8 divisors (see below), whose sum is σ = 1808011120. Its totient is φ = 856426176.

The previous prime is 1320323789. The next prime is 1320323801. The reversal of 1320323799 is 9973230231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320323799 - 2⁴ = 1320323783 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 (1320323789) 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 7 ways as a sum of consecutive naturals, for example, 5947294 + ... + 5947515.

It is an arithmetic number, because the mean of its divisors is an integer number (226001390).

Almost surely, 2^1320323799 is an apocalyptic number.

1320323799 is a deficient number, since it is larger than the sum of its proper divisors (487687321).

1320323799 is a wasteful number, since it uses less digits than its factorization.

1320323799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11894849.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 1320323799 is about 36336.2601130056. The cubic root of 1320323799 is about 1097.0509988542.

The spelling of 1320323799 in words is "one billion, three hundred twenty million, three hundred twenty-three thousand, seven hundred ninety-nine".