2002201021323 has 12 divisors (see below), whose sum is σ = 2931685514680. Its totient is φ = 1316515739616.

The previous prime is 2002201021319. The next prime is 2002201021367. The reversal of 2002201021323 is 3231201022002.

2002201021323 is a `hidden beast` number, since 20 + 0 + 220 + 102 + 1 + 323 = 666.

It is not a de Polignac number, because 2002201021323 - 2² = 2002201021319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002201021296 and 2002201021305.

It is not an unprimeable number, because it can be changed into a prime (2002201021123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1523744413 + ... + 1523745726.

Almost surely, 2^{2002201021323} is an apocalyptic number.

2002201021323 is a deficient number, since it is larger than the sum of its proper divisors (929484493357).

2002201021323 is a wasteful number, since it uses less digits than its factorization.

2002201021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047490218 (or 3047490215 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2002201021323 its reverse (3231201022002), we get a palindrome (5233402043325).

The spelling of 2002201021323 in words is "two trillion, two billion, two hundred one million, twenty-one thousand, three hundred twenty-three".