1323423303 has 16 divisors (see below), whose sum is σ = 1805370336. Its totient is φ = 862018560.

The previous prime is 1323423281. The next prime is 1323423319. The reversal of 1323423303 is 3033243231.

It is a happy number.

It is not a de Polignac number, because 1323423303 - 2⁸ = 1323423047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323423373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21051 + ... + 55587.

It is an arithmetic number, because the mean of its divisors is an integer number (112835646).

Almost surely, 2^1323423303 is an apocalyptic number.

1323423303 is a deficient number, since it is larger than the sum of its proper divisors (481947033).

1323423303 is a wasteful number, since it uses less digits than its factorization.

1323423303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34834.

The product of its (nonzero) digits is 3888, while the sum is 24.

The square root of 1323423303 is about 36378.8854007376. The cubic root of 1323423303 is about 1097.9087825390.

Adding to 1323423303 its reverse (3033243231), we get a palindrome (4356666534).

The spelling of 1323423303 in words is "one billion, three hundred twenty-three million, four hundred twenty-three thousand, three hundred three".