200200423 has 4 divisors (see below), whose sum is σ = 201544200. Its totient is φ = 198856648.

The previous prime is 200200421. The next prime is 200200433. The reversal of 200200423 is 324002002.

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 200200423 - 2¹ = 200200421 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 (200200421) 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, 671665 + ... + 671962.

It is an arithmetic number, because the mean of its divisors is an integer number (50386050).

Almost surely, 2^200200423 is an apocalyptic number.

200200423 is a deficient number, since it is larger than the sum of its proper divisors (1343777).

200200423 is a wasteful number, since it uses less digits than its factorization.

200200423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343776.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 200200423 is about 14149.2198724877. The cubic root of 200200423 is about 584.9988292279.

Adding to 200200423 its reverse (324002002), we get a palindrome (524202425).

The spelling of 200200423 in words is "two hundred million, two hundred thousand, four hundred twenty-three".