2002103201023 has 4 divisors (see below), whose sum is σ = 2003789894040. Its totient is φ = 2000416508008.

The previous prime is 2002103201017. The next prime is 2002103201039. The reversal of 2002103201023 is 3201023012002.

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 2002103201023 - 2¹⁷ = 2002103069951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002103200988 and 2002103201006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002103201083) 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, 843344728 + ... + 843347101.

It is an arithmetic number, because the mean of its divisors is an integer number (500947473510).

Almost surely, 2^{2002103201023} is an apocalyptic number.

2002103201023 is a deficient number, since it is larger than the sum of its proper divisors (1686693017).

2002103201023 is a wasteful number, since it uses less digits than its factorization.

2002103201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686693016.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2002103201023 its reverse (3201023012002), we get a palindrome (5203126213025).

The spelling of 2002103201023 in words is "two trillion, two billion, one hundred three million, two hundred one thousand, twenty-three".