200423213 has 4 divisors (see below), whose sum is σ = 201623520. Its totient is φ = 199222908.

The previous prime is 200423207. The next prime is 200423227. The reversal of 200423213 is 312324002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200423213 - 2²⁴ = 183645997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200423191 and 200423200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200423513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599903 + ... + 600236.

It is an arithmetic number, because the mean of its divisors is an integer number (50405880).

Almost surely, 2^200423213 is an apocalyptic number.

It is an amenable number.

200423213 is a deficient number, since it is larger than the sum of its proper divisors (1200307).

200423213 is a wasteful number, since it uses less digits than its factorization.

200423213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200306.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 200423213 is about 14157.0905556191. The cubic root of 200423213 is about 585.2157511357.

Adding to 200423213 its reverse (312324002), we get a palindrome (512747215).

The spelling of 200423213 in words is "two hundred million, four hundred twenty-three thousand, two hundred thirteen".