1323432303 has 16 divisors (see below), whose sum is σ = 1869660000. Its totient is φ = 829817856.

The previous prime is 1323432287. The next prime is 1323432323. The reversal of 1323432303 is 3032343231.

It is a happy number.

It is not a de Polignac number, because 1323432303 - 2⁴ = 1323432287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323432323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73323 + ... + 89571.

It is an arithmetic number, because the mean of its divisors is an integer number (116853750).

Almost surely, 2^1323432303 is an apocalyptic number.

1323432303 is a deficient number, since it is larger than the sum of its proper divisors (546227697).

1323432303 is a wasteful number, since it uses less digits than its factorization.

1323432303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17866.

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

The square root of 1323432303 is about 36379.0090986547. The cubic root of 1323432303 is about 1097.9112713262.

Adding to 1323432303 its reverse (3032343231), we get a palindrome (4355775534).

The spelling of 1323432303 in words is "one billion, three hundred twenty-three million, four hundred thirty-two thousand, three hundred three".