200143234 has 8 divisors (see below), whose sum is σ = 301066380. Its totient is φ = 99787776.

The previous prime is 200143213. The next prime is 200143243. The reversal of 200143234 is 432341002.

It can be written as a sum of positive squares in 2 ways, for example, as 200137609 + 5625 = 14147^2 + 75^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141039 + ... + 142450.

Almost surely, 2^200143234 is an apocalyptic number.

200143234 is a deficient number, since it is larger than the sum of its proper divisors (100923146).

200143234 is a wasteful number, since it uses less digits than its factorization.

200143234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283844.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 200143234 is about 14147.1988040036. The cubic root of 200143234 is about 584.9431205808.

Adding to 200143234 its reverse (432341002), we get a palindrome (632484236).

The spelling of 200143234 in words is "two hundred million, one hundred forty-three thousand, two hundred thirty-four".