1323201323003 has 32 divisors (see below), whose sum is σ = 1560633661440. Its totient is φ = 1098178128000.

The previous prime is 1323201322999. The next prime is 1323201323023. The reversal of 1323201323003 is 3003231023231.

It is a cyclic number.

It is not a de Polignac number, because 1323201323003 - 2² = 1323201322999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1323201323003.

It is not an unprimeable number, because it can be changed into a prime (1323201323023) 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, 54550628 + ... + 54574878.

It is an arithmetic number, because the mean of its divisors is an integer number (48769801920).

Almost surely, 2^{1323201323003} is an apocalyptic number.

1323201323003 is a deficient number, since it is larger than the sum of its proper divisors (237432338437).

1323201323003 is a wasteful number, since it uses less digits than its factorization.

1323201323003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25307.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1323201323003 its reverse (3003231023231), we get a palindrome (4326432346234).

The spelling of 1323201323003 in words is "one trillion, three hundred twenty-three billion, two hundred one million, three hundred twenty-three thousand, three".