200423 has 8 divisors (see below), whose sum is σ = 211200. Its totient is φ = 190008.

The previous prime is 200407. The next prime is 200437. The reversal of 200423 is 324002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200423 - 2⁴ = 200407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 200423.

It is not an unprimeable number, because it can be changed into a prime (200443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2498 + ... + 2576.

It is an arithmetic number, because the mean of its divisors is an integer number (26400).

2²⁰⁰⁴²³ is an apocalyptic number.

200423 is a deficient number, since it is larger than the sum of its proper divisors (10777).

200423 is an equidigital number, since it uses as much as digits as its factorization.

200423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 200423 is about 447.6862740804. The cubic root of 200423 is about 58.5215543823.

Adding to 200423 its reverse (324002), we get a palindrome (524425).

The spelling of 200423 in words is "two hundred thousand, four hundred twenty-three", and thus it is an iban number.