201123323 has 4 divisors (see below), whose sum is σ = 208058640. Its totient is φ = 194188008.

The previous prime is 201123313. The next prime is 201123337. The reversal of 201123323 is 323321102.

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

It is a cyclic number.

It is not a de Polignac number, because 201123323 - 2²⁰ = 200074747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201123313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3467615 + ... + 3467672.

It is an arithmetic number, because the mean of its divisors is an integer number (52014660).

Almost surely, 2^201123323 is an apocalyptic number.

201123323 is a deficient number, since it is larger than the sum of its proper divisors (6935317).

201123323 is an equidigital number, since it uses as much as digits as its factorization.

201123323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6935316.

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

The square root of 201123323 is about 14181.7954787114. The cubic root of 201123323 is about 585.8963763157.

Adding to 201123323 its reverse (323321102), we get a palindrome (524444425).

The spelling of 201123323 in words is "two hundred one million, one hundred twenty-three thousand, three hundred twenty-three".