201232133 has 4 divisors (see below), whose sum is σ = 201305568. Its totient is φ = 201158700.

The previous prime is 201232127. The next prime is 201232153. The reversal of 201232133 is 331232102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331232102 = 2 ⋅165616051.

It is a cyclic number.

It is not a de Polignac number, because 201232133 - 2¹⁶ = 201166597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201232103) 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, 32441 + ... + 38142.

It is an arithmetic number, because the mean of its divisors is an integer number (50326392).

Almost surely, 2^201232133 is an apocalyptic number.

It is an amenable number.

201232133 is a deficient number, since it is larger than the sum of its proper divisors (73435).

201232133 is an equidigital number, since it uses as much as digits as its factorization.

201232133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73434.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 201232133 is about 14185.6312161285. The cubic root of 201232133 is about 586.0020161299.

Adding to 201232133 its reverse (331232102), we get a palindrome (532464235).

The spelling of 201232133 in words is "two hundred one million, two hundred thirty-two thousand, one hundred thirty-three".