1323202303 has 4 divisors (see below), whose sum is σ = 1325043360. Its totient is φ = 1321361248.

The previous prime is 1323202297. The next prime is 1323202319. The reversal of 1323202303 is 3032023231.

It is a happy number.

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 1323202303 - 2⁵ = 1323202271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323202373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919450 + ... + 920887.

It is an arithmetic number, because the mean of its divisors is an integer number (331260840).

Almost surely, 2^1323202303 is an apocalyptic number.

1323202303 is a deficient number, since it is larger than the sum of its proper divisors (1841057).

1323202303 is an equidigital number, since it uses as much as digits as its factorization.

1323202303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841056.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1323202303 is about 36375.8477976803. The cubic root of 1323202303 is about 1097.8476654478.

Adding to 1323202303 its reverse (3032023231), we get a palindrome (4355225534).

The spelling of 1323202303 in words is "one billion, three hundred twenty-three million, two hundred two thousand, three hundred three".