1321334223 has 16 divisors (see below), whose sum is σ = 1927111296. Its totient is φ = 798654240.

The previous prime is 1321334191. The next prime is 1321334239. The reversal of 1321334223 is 3224331231.

It is not a de Polignac number, because 1321334223 - 2⁵ = 1321334191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1321334193 and 1321334202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321384223) 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 15 ways as a sum of consecutive naturals, for example, 41365 + ... + 65982.

It is an arithmetic number, because the mean of its divisors is an integer number (120444456).

Almost surely, 2^1321334223 is an apocalyptic number.

1321334223 is a deficient number, since it is larger than the sum of its proper divisors (605777073).

1321334223 is a wasteful number, since it uses less digits than its factorization.

1321334223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107734.

The product of its digits is 2592, while the sum is 24.

The square root of 1321334223 is about 36350.1612513617. The cubic root of 1321334223 is about 1097.3307797206.

Adding to 1321334223 its reverse (3224331231), we get a palindrome (4545665454).

The spelling of 1321334223 in words is "one billion, three hundred twenty-one million, three hundred thirty-four thousand, two hundred twenty-three".