2002112001023 has 8 divisors (see below), whose sum is σ = 2025304048848. Its totient is φ = 1979052102144.

The previous prime is 2002112000989. The next prime is 2002112001037. The reversal of 2002112001023 is 3201002112002.

It is a happy number.

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 2002112001023 - 2¹⁰ = 2002111999999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002112000989 and 2002112001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002112001223) 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, 33006761 + ... + 33067362.

It is an arithmetic number, because the mean of its divisors is an integer number (253163006106).

Almost surely, 2^{2002112001023} is an apocalyptic number.

2002112001023 is a deficient number, since it is larger than the sum of its proper divisors (23192047825).

2002112001023 is a wasteful number, since it uses less digits than its factorization.

2002112001023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66074473.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2002112001023 its reverse (3201002112002), we get a palindrome (5203114113025).

The spelling of 2002112001023 in words is "two trillion, two billion, one hundred twelve million, one thousand, twenty-three".