201111323 has 8 divisors (see below), whose sum is σ = 229931520. Its totient is φ = 172313640.

The previous prime is 201111299. The next prime is 201111329. The reversal of 201111323 is 323111102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201111323 - 2¹⁶ = 201045787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201111298 and 201111307.

It is not an unprimeable number, because it can be changed into a prime (201111329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23768 + ... + 31098.

It is an arithmetic number, because the mean of its divisors is an integer number (28741440).

Almost surely, 2^201111323 is an apocalyptic number.

201111323 is a deficient number, since it is larger than the sum of its proper divisors (28820197).

201111323 is an equidigital number, since it uses as much as digits as its factorization.

201111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11257.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 201111323 is about 14181.3723948002. The cubic root of 201111323 is about 585.8847236039.

Adding to 201111323 its reverse (323111102), we get a palindrome (524222425).

The spelling of 201111323 in words is "two hundred one million, one hundred eleven thousand, three hundred twenty-three".