201323133 has 24 divisors (see below), whose sum is σ = 328180320. Its totient is φ = 117804960.

The previous prime is 201323099. The next prime is 201323147. The reversal of 201323133 is 331323102.

It is not a de Polignac number, because 201323133 - 2¹² = 201319037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201323153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32191 + ... + 37932.

It is an arithmetic number, because the mean of its divisors is an integer number (13674180).

Almost surely, 2^201323133 is an apocalyptic number.

It is an amenable number.

201323133 is a deficient number, since it is larger than the sum of its proper divisors (126857187).

201323133 is a wasteful number, since it uses less digits than its factorization.

201323133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70169 (or 70166 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 201323133 is about 14188.8383245423. The cubic root of 201323133 is about 586.0903356019.

Adding to 201323133 its reverse (331323102), we get a palindrome (532646235).

The spelling of 201323133 in words is "two hundred one million, three hundred twenty-three thousand, one hundred thirty-three".