1323441143 has 16 divisors (see below), whose sum is σ = 1509361920. Its totient is φ = 1152579456.

The previous prime is 1323441127. The next prime is 1323441167. The reversal of 1323441143 is 3411443231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1323441143 - 2⁴ = 1323441127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323441103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33755 + ... + 61532.

It is an arithmetic number, because the mean of its divisors is an integer number (94335120).

Almost surely, 2^1323441143 is an apocalyptic number.

1323441143 is a deficient number, since it is larger than the sum of its proper divisors (185920777).

1323441143 is a wasteful number, since it uses less digits than its factorization.

1323441143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95366.

The product of its digits is 3456, while the sum is 26.

The square root of 1323441143 is about 36379.1305970882. The cubic root of 1323441143 is about 1097.9137158572.

Adding to 1323441143 its reverse (3411443231), we get a palindrome (4734884374).

The spelling of 1323441143 in words is "one billion, three hundred twenty-three million, four hundred forty-one thousand, one hundred forty-three".