201201330233 has 4 divisors (see below), whose sum is σ = 201203080740. Its totient is φ = 201199579728.

The previous prime is 201201330203. The next prime is 201201330299. The reversal of 201201330233 is 332033102102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 73260624889 + 127940705344 = 270667^2 + 357688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201201330233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201201330203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689738 + ... + 937091.

It is an arithmetic number, because the mean of its divisors is an integer number (50300770185).

Almost surely, 2^201201330233 is an apocalyptic number.

It is an amenable number.

201201330233 is a deficient number, since it is larger than the sum of its proper divisors (1750507).

201201330233 is a wasteful number, since it uses less digits than its factorization.

201201330233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750506.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 201201330233 its reverse (332033102102), we get a palindrome (533234432335).

The spelling of 201201330233 in words is "two hundred one billion, two hundred one million, three hundred thirty thousand, two hundred thirty-three".