1323111327 has 4 divisors (see below), whose sum is σ = 1764148440. Its totient is φ = 882074216.

The previous prime is 1323111311. The next prime is 1323111337. The reversal of 1323111327 is 7231113231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1323111327 - 2⁴ = 1323111311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323111297 and 1323111306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323111337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220518552 + ... + 220518557.

It is an arithmetic number, because the mean of its divisors is an integer number (441037110).

Almost surely, 2^1323111327 is an apocalyptic number.

1323111327 is a deficient number, since it is larger than the sum of its proper divisors (441037113).

1323111327 is an equidigital number, since it uses as much as digits as its factorization.

1323111327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441037112.

The product of its digits is 756, while the sum is 24.

The square root of 1323111327 is about 36374.5972761211. The cubic root of 1323111327 is about 1097.8225042465.

Adding to 1323111327 its reverse (7231113231), we get a palindrome (8554224558).

The spelling of 1323111327 in words is "one billion, three hundred twenty-three million, one hundred eleven thousand, three hundred twenty-seven".