201232434 has 96 divisors (see below), whose sum is σ = 470373120. Its totient is φ = 57028608.

The previous prime is 201232433. The next prime is 201232441. The reversal of 201232434 is 434232102.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201232434.

It is not an unprimeable number, because it can be changed into a prime (201232433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1780762 + ... + 1780874.

It is an arithmetic number, because the mean of its divisors is an integer number (4899720).

Almost surely, 2^201232434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201232434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235186560).

201232434 is an abundant number, since it is smaller than the sum of its proper divisors (269140686).

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

201232434 is a wasteful number, since it uses less digits than its factorization.

201232434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 201232434 is about 14185.6418254515. The cubic root of 201232434 is about 586.0023083074.

Adding to 201232434 its reverse (434232102), we get a palindrome (635464536).

The spelling of 201232434 in words is "two hundred one million, two hundred thirty-two thousand, four hundred thirty-four".