201322123003 has 4 divisors (see below), whose sum is σ = 206232418728. Its totient is φ = 196411827280.

The previous prime is 201322122997. The next prime is 201322123031. The reversal of 201322123003 is 300321223102.

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-201322123003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201322123403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2455147801 + ... + 2455147882.

It is an arithmetic number, because the mean of its divisors is an integer number (51558104682).

Almost surely, 2^201322123003 is an apocalyptic number.

201322123003 is a deficient number, since it is larger than the sum of its proper divisors (4910295725).

201322123003 is an equidigital number, since it uses as much as digits as its factorization.

201322123003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910295724.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 201322123003 its reverse (300321223102), we get a palindrome (501643346105).

The spelling of 201322123003 in words is "two hundred one billion, three hundred twenty-two million, one hundred twenty-three thousand, three".