1323132103 has 4 divisors (see below), whose sum is σ = 1323796000. Its totient is φ = 1322468208.

The previous prime is 1323132091. The next prime is 1323132131. The reversal of 1323132103 is 3012313231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323132103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323132803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328950 + ... + 332947.

It is an arithmetic number, because the mean of its divisors is an integer number (330949000).

Almost surely, 2^1323132103 is an apocalyptic number.

1323132103 is a deficient number, since it is larger than the sum of its proper divisors (663897).

1323132103 is an equidigital number, since it uses as much as digits as its factorization.

1323132103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663896.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1323132103 is about 36374.8828589179. The cubic root of 1323132103 is about 1097.8282503594.

Adding to 1323132103 its reverse (3012313231), we get a palindrome (4335445334).

The spelling of 1323132103 in words is "one billion, three hundred twenty-three million, one hundred thirty-two thousand, one hundred three".