1323103321 has 8 divisors (see below), whose sum is σ = 1328462144. Its totient is φ = 1317753360.

The previous prime is 1323103291. The next prime is 1323103339. The reversal of 1323103321 is 1233013231.

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

It is a cyclic number.

It is not a de Polignac number, because 1323103321 - 2⁷ = 1323103193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323106321) 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, 527356 + ... + 529858.

It is an arithmetic number, because the mean of its divisors is an integer number (166057768).

Almost surely, 2^1323103321 is an apocalyptic number.

It is an amenable number.

1323103321 is a deficient number, since it is larger than the sum of its proper divisors (5358823).

1323103321 is a wasteful number, since it uses less digits than its factorization.

1323103321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4431.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1323103321 is about 36374.4872266263. The cubic root of 1323103321 is about 1097.8202899746.

Adding to 1323103321 its reverse (1233013231), we get a palindrome (2556116552).

The spelling of 1323103321 in words is "one billion, three hundred twenty-three million, one hundred three thousand, three hundred twenty-one".