201433234 has 4 divisors (see below), whose sum is σ = 302149854. Its totient is φ = 100716616.

The previous prime is 201433201. The next prime is 201433237. The reversal of 201433234 is 432334102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 137992009 + 63441225 = 11747^2 + 7965^2 .

It is not an unprimeable number, because it can be changed into a prime (201433237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50358307 + ... + 50358310.

Almost surely, 2^201433234 is an apocalyptic number.

201433234 is a deficient number, since it is larger than the sum of its proper divisors (100716620).

201433234 is a wasteful number, since it uses less digits than its factorization.

201433234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100716619.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 201433234 is about 14192.7176396911. The cubic root of 201433234 is about 586.1971578554.

Adding to 201433234 its reverse (432334102), we get a palindrome (633767336).

The spelling of 201433234 in words is "two hundred one million, four hundred thirty-three thousand, two hundred thirty-four".