1323144143 has 8 divisors (see below), whose sum is σ = 1346541696. Its totient is φ = 1299879000.

The previous prime is 1323144127. The next prime is 1323144149. The reversal of 1323144143 is 3414413231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323144143 - 2⁴ = 1323144127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323144149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12833 + ... + 53018.

It is an arithmetic number, because the mean of its divisors is an integer number (168317712).

Almost surely, 2^1323144143 is an apocalyptic number.

1323144143 is a deficient number, since it is larger than the sum of its proper divisors (23397553).

1323144143 is an equidigital number, since it uses as much as digits as its factorization.

1323144143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66205.

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

The square root of 1323144143 is about 36375.0483573562. The cubic root of 1323144143 is about 1097.8315802894.

Adding to 1323144143 its reverse (3414413231), we get a palindrome (4737557374).

The spelling of 1323144143 in words is "one billion, three hundred twenty-three million, one hundred forty-four thousand, one hundred forty-three".