2003221011323 has 8 divisors (see below), whose sum is σ = 2328198754560. Its totient is φ = 1687944096360.

The previous prime is 2003221011301. The next prime is 2003221011331. The reversal of 2003221011323 is 3231101223002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2003221011323 - 2²⁰ = 2003219962747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2003221011295 and 2003221011304.

It is not an unprimeable number, because it can be changed into a prime (2003221019323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2425206623 + ... + 2425207448.

It is an arithmetic number, because the mean of its divisors is an integer number (291024844320).

Almost surely, 2^{2003221011323} is an apocalyptic number.

2003221011323 is a deficient number, since it is larger than the sum of its proper divisors (324977743237).

2003221011323 is an equidigital number, since it uses as much as digits as its factorization.

2003221011323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850414137.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2003221011323 its reverse (3231101223002), we get a palindrome (5234322234325).

The spelling of 2003221011323 in words is "two trillion, three billion, two hundred twenty-one million, eleven thousand, three hundred twenty-three".