1323103333003 has 4 divisors (see below), whose sum is σ = 1323236976208. Its totient is φ = 1322969689800.

The previous prime is 1323103332919. The next prime is 1323103333007. The reversal of 1323103333003 is 3003333013231.

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 1323103333003 - 2²¹ = 1323101235851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323103333007) 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 3 ways as a sum of consecutive naturals, for example, 66806751 + ... + 66826552.

It is an arithmetic number, because the mean of its divisors is an integer number (330809244052).

Almost surely, 2^{1323103333003} is an apocalyptic number.

1323103333003 is a deficient number, since it is larger than the sum of its proper divisors (133643205).

1323103333003 is an equidigital number, since it uses as much as digits as its factorization.

1323103333003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133643204.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 1323103333003 its reverse (3003333013231), we get a palindrome (4326436346234).

The spelling of 1323103333003 in words is "one trillion, three hundred twenty-three billion, one hundred three million, three hundred thirty-three thousand, three".