1323231303 has 24 divisors (see below), whose sum is σ = 1819551600. Its totient is φ = 855321600.

The previous prime is 1323231289. The next prime is 1323231319. The reversal of 1323231303 is 3031323231.

It is not a de Polignac number, because 1323231303 - 2²¹ = 1321134151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323231303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323231103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 825703 + ... + 827303.

It is an arithmetic number, because the mean of its divisors is an integer number (75814650).

Almost surely, 2^1323231303 is an apocalyptic number.

1323231303 is a deficient number, since it is larger than the sum of its proper divisors (496320297).

1323231303 is a wasteful number, since it uses less digits than its factorization.

1323231303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839 (or 1796 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1323231303 is about 36376.2464116352. The cubic root of 1323231303 is about 1097.8556857255.

Adding to 1323231303 its reverse (3031323231), we get a palindrome (4354554534).

The spelling of 1323231303 in words is "one billion, three hundred twenty-three million, two hundred thirty-one thousand, three hundred three".