1327818223 has 4 divisors (see below), whose sum is σ = 1363705240. Its totient is φ = 1291931208.

The previous prime is 1327818209. The next prime is 1327818253. The reversal of 1327818223 is 3228187231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1327818223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 35886979 = 1327818223 / (1 + 3 + 2 + 7 + 8 + 1 + 8 + 2 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327818253) 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, 17943453 + ... + 17943526.

It is an arithmetic number, because the mean of its divisors is an integer number (340926310).

Almost surely, 2^1327818223 is an apocalyptic number.

1327818223 is a deficient number, since it is larger than the sum of its proper divisors (35887017).

1327818223 is an equidigital number, since it uses as much as digits as its factorization.

1327818223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35887016.

The product of its digits is 32256, while the sum is 37.

The square root of 1327818223 is about 36439.2401539878. The cubic root of 1327818223 is about 1099.1227780343.

The spelling of 1327818223 in words is "one billion, three hundred twenty-seven million, eight hundred eighteen thousand, two hundred twenty-three".