1323113321 has 8 divisors (see below), whose sum is σ = 1329901440. Its totient is φ = 1316336112.

The previous prime is 1323113293. The next prime is 1323113369. The reversal of 1323113321 is 1233113231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323113321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323113293 and 1323113302.

It is not an unprimeable number, because it can be changed into a prime (1323113381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352571 + ... + 356303.

It is an arithmetic number, because the mean of its divisors is an integer number (166237680).

Almost surely, 2^1323113321 is an apocalyptic number.

It is an amenable number.

1323113321 is a deficient number, since it is larger than the sum of its proper divisors (6788119).

1323113321 is a wasteful number, since it uses less digits than its factorization.

1323113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5455.

The product of its digits is 324, while the sum is 20.

The square root of 1323113321 is about 36374.6246853490. The cubic root of 1323113321 is about 1097.8230557388.

Adding to 1323113321 its reverse (1233113231), we get a palindrome (2556226552).

The spelling of 1323113321 in words is "one billion, three hundred twenty-three million, one hundred thirteen thousand, three hundred twenty-one".