201312323 has 4 divisors (see below), whose sum is σ = 201341280. Its totient is φ = 201283368.

The previous prime is 201312299. The next prime is 201312341. The reversal of 201312323 is 323213102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 201312323 - 2⁶ = 201312259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201311323) 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, 2918 + ... + 20276.

It is an arithmetic number, because the mean of its divisors is an integer number (50335320).

Almost surely, 2^201312323 is an apocalyptic number.

201312323 is a deficient number, since it is larger than the sum of its proper divisors (28957).

201312323 is a wasteful number, since it uses less digits than its factorization.

201312323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28956.

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

The square root of 201312323 is about 14188.4573861995. The cubic root of 201312323 is about 586.0798454182.

Adding to 201312323 its reverse (323213102), we get a palindrome (524525425).

The spelling of 201312323 in words is "two hundred one million, three hundred twelve thousand, three hundred twenty-three".