201123193 has 8 divisors (see below), whose sum is σ = 203980896. Its totient is φ = 198276000.

The previous prime is 201123187. The next prime is 201123229. The reversal of 201123193 is 391321102.

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 201123193 - 2²¹ = 199026041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201126193) 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, 40918 + ... + 45568.

It is an arithmetic number, because the mean of its divisors is an integer number (25497612).

Almost surely, 2^201123193 is an apocalyptic number.

It is an amenable number.

201123193 is a deficient number, since it is larger than the sum of its proper divisors (2857703).

201123193 is an equidigital number, since it uses as much as digits as its factorization.

201123193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 201123193 is about 14181.7908953700. The cubic root of 201123193 is about 585.8962500805.

Adding to 201123193 its reverse (391321102), we get a palindrome (592444295).

The spelling of 201123193 in words is "two hundred one million, one hundred twenty-three thousand, one hundred ninety-three".