2002000123103 has 4 divisors (see below), whose sum is σ = 2002233928248. Its totient is φ = 2001766317960.

The previous prime is 2002000123073. The next prime is 2002000123153. The reversal of 2002000123103 is 3013210002002.

It is a happy number.

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 2002000123103 - 2¹⁶ = 2002000057567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002000123153) 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, 116889728 + ... + 116906853.

It is an arithmetic number, because the mean of its divisors is an integer number (500558482062).

Almost surely, 2^{2002000123103} is an apocalyptic number.

2002000123103 is a deficient number, since it is larger than the sum of its proper divisors (233805145).

2002000123103 is an equidigital number, since it uses as much as digits as its factorization.

2002000123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233805144.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 2002000123103 its reverse (3013210002002), we get a palindrome (5015210125105).

The spelling of 2002000123103 in words is "two trillion, two billion, one hundred twenty-three thousand, one hundred three".