200423442 has 8 divisors (see below), whose sum is σ = 400846896. Its totient is φ = 66807812.

The previous prime is 200423429. The next prime is 200423453. The reversal of 200423442 is 244324002.

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

200423442 is an admirable number.

It is a super-2 number, since 2×200423442² = 80339112206254728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16701948 + ... + 16701959.

It is an arithmetic number, because the mean of its divisors is an integer number (50105862).

Almost surely, 2^200423442 is an apocalyptic number.

200423442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200423442 is a wasteful number, since it uses less digits than its factorization.

200423442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33403912.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 200423442 is about 14157.0986434368. The cubic root of 200423442 is about 585.2159740213.

Adding to 200423442 its reverse (244324002), we get a palindrome (444747444).

The spelling of 200423442 in words is "two hundred million, four hundred twenty-three thousand, four hundred forty-two".