2002000123073 has 2 divisors, whose sum is σ = 2002000123074. Its totient is φ = 2002000123072.

The previous prime is 2002000123043. The next prime is 2002000123153. The reversal of 2002000123073 is 3703210002002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1226881876609 + 775118246464 = 1107647^2 + 880408^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002000123073 - 2¹⁶ = 2002000057537 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002000123003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001000061536 + 1001000061537.

It is an arithmetic number, because the mean of its divisors is an integer number (1001000061537).

Almost surely, 2^{2002000123073} is an apocalyptic number.

It is an amenable number.

2002000123073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002000123073 is an equidigital number, since it uses as much as digits as its factorization.

2002000123073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

Adding to 2002000123073 its reverse (3703210002002), we get a palindrome (5705210125075).

The spelling of 2002000123073 in words is "two trillion, two billion, one hundred twenty-three thousand, seventy-three".