1323143103 has 32 divisors (see below), whose sum is σ = 1902942720. Its totient is φ = 815682560.

The previous prime is 1323143093. The next prime is 1323143111. The reversal of 1323143103 is 3013413231.

It is a cyclic number.

It is not a de Polignac number, because 1323143103 - 2¹⁴ = 1323126719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323143103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323143803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317608 + ... + 321746.

It is an arithmetic number, because the mean of its divisors is an integer number (59466960).

Almost surely, 2^1323143103 is an apocalyptic number.

1323143103 is a deficient number, since it is larger than the sum of its proper divisors (579799617).

1323143103 is a wasteful number, since it uses less digits than its factorization.

1323143103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1323143103 is about 36375.0340618397. The cubic root of 1323143103 is about 1097.8312926551.

Adding to 1323143103 its reverse (3013413231), we get a palindrome (4336556334).

The spelling of 1323143103 in words is "one billion, three hundred twenty-three million, one hundred forty-three thousand, one hundred three".