200001011023 has 16 divisors (see below), whose sum is σ = 225739159200. Its totient is φ = 175524052480.

The previous prime is 200001011011. The next prime is 200001011071. The reversal of 200001011023 is 320110100002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200001011023 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 (200001011083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2360115 + ... + 2443387.

It is an arithmetic number, because the mean of its divisors is an integer number (14108697450).

Almost surely, 2^200001011023 is an apocalyptic number.

200001011023 is a deficient number, since it is larger than the sum of its proper divisors (25738148177).

200001011023 is a wasteful number, since it uses less digits than its factorization.

200001011023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90842.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 200001011023 its reverse (320110100002), we get a palindrome (520111111025).

The spelling of 200001011023 in words is "two hundred billion, one million, eleven thousand, twenty-three".