1323223123303 has 4 divisors (see below), whose sum is σ = 1325160493128. Its totient is φ = 1321285753480.

The previous prime is 1323223123279. The next prime is 1323223123349. The reversal of 1323223123303 is 3033213223231.

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

It is a cyclic number.

It is not a de Polignac number, because 1323223123303 - 2⁹ = 1323223122791 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 (1323223123393) 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, 968683888 + ... + 968685253.

It is an arithmetic number, because the mean of its divisors is an integer number (331290123282).

Almost surely, 2^{1323223123303} is an apocalyptic number.

1323223123303 is a deficient number, since it is larger than the sum of its proper divisors (1937369825).

1323223123303 is an equidigital number, since it uses as much as digits as its factorization.

1323223123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937369824.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 1323223123303 its reverse (3033213223231), we get a palindrome (4356436346534).

The spelling of 1323223123303 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-three million, one hundred twenty-three thousand, three hundred three".