2002102103023 has 4 divisors (see below), whose sum is σ = 2184111385128. Its totient is φ = 1820092820920.

The previous prime is 2002102103009. The next prime is 2002102103063. The reversal of 2002102103023 is 3203012012002.

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

It is not a de Polignac number, because 2002102103023 - 2¹³ = 2002102094831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002102102988 and 2002102103006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002102103063) 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, 91004641036 + ... + 91004641057.

It is an arithmetic number, because the mean of its divisors is an integer number (546027846282).

Almost surely, 2^{2002102103023} is an apocalyptic number.

2002102103023 is a deficient number, since it is larger than the sum of its proper divisors (182009282105).

2002102103023 is a wasteful number, since it uses less digits than its factorization.

2002102103023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182009282104.

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

Adding to 2002102103023 its reverse (3203012012002), we get a palindrome (5205114115025).

The spelling of 2002102103023 in words is "two trillion, two billion, one hundred two million, one hundred three thousand, twenty-three".