200200021023 has 16 divisors (see below), whose sum is σ = 274405838336. Its totient is φ = 129737233440.

The previous prime is 200200021013. The next prime is 200200021031. The reversal of 200200021023 is 320120002002.

It is not a de Polignac number, because 200200021023 - 2¹⁸ = 200199758879 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 (200200021013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730363 + ... + 966348.

It is an arithmetic number, because the mean of its divisors is an integer number (17150364896).

Almost surely, 2^200200021023 is an apocalyptic number.

200200021023 is a deficient number, since it is larger than the sum of its proper divisors (74205817313).

200200021023 is a wasteful number, since it uses less digits than its factorization.

200200021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697814.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 200200021023 its reverse (320120002002), we get a palindrome (520320023025).

The spelling of 200200021023 in words is "two hundred billion, two hundred million, twenty-one thousand, twenty-three".