200423311 has 16 divisors (see below), whose sum is σ = 230070528. Its totient is φ = 174254520.

The previous prime is 200423299. The next prime is 200423317. The reversal of 200423311 is 113324002.

It is a happy number.

It is not a de Polignac number, because 200423311 - 2¹³ = 200415119 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 (200423317) 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, 27340 + ... + 33886.

It is an arithmetic number, because the mean of its divisors is an integer number (14379408).

Almost surely, 2^200423311 is an apocalyptic number.

200423311 is a deficient number, since it is larger than the sum of its proper divisors (29647217).

200423311 is an equidigital number, since it uses as much as digits as its factorization.

200423311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6603 (or 6581 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 200423311 is about 14157.0940167818. The cubic root of 200423311 is about 585.2158465191.

Adding to 200423311 its reverse (113324002), we get a palindrome (313747313).

The spelling of 200423311 in words is "two hundred million, four hundred twenty-three thousand, three hundred eleven".