2002112231023 has 4 divisors (see below), whose sum is σ = 2056223372440. Its totient is φ = 1948001089608.

The previous prime is 2002112231017. The next prime is 2002112231029. The reversal of 2002112231023 is 3201322112002.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2002112231017) and next prime (2002112231029).

It is a cyclic number.

It is not a de Polignac number, because 2002112231023 - 2⁵ = 2002112230991 is a prime.

It is a super-2 number, since 2×2002112231023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002112231029) 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, 27055570653 + ... + 27055570726.

It is an arithmetic number, because the mean of its divisors is an integer number (514055843110).

Almost surely, 2^{2002112231023} is an apocalyptic number.

2002112231023 is a deficient number, since it is larger than the sum of its proper divisors (54111141417).

2002112231023 is an equidigital number, since it uses as much as digits as its factorization.

2002112231023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54111141416.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2002112231023 its reverse (3201322112002), we get a palindrome (5203434343025).

The spelling of 2002112231023 in words is "two trillion, two billion, one hundred twelve million, two hundred thirty-one thousand, twenty-three".