201133123 has 8 divisors (see below), whose sum is σ = 203120640. Its totient is φ = 199155720.

The previous prime is 201133111. The next prime is 201133133. The reversal of 201133123 is 321331102.

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 201133123 - 2⁹ = 201132611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201133097 and 201133106.

It is not an unprimeable number, because it can be changed into a prime (201133133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41038 + ... + 45676.

It is an arithmetic number, because the mean of its divisors is an integer number (25390080).

Almost surely, 2^201133123 is an apocalyptic number.

201133123 is a deficient number, since it is larger than the sum of its proper divisors (1987517).

201133123 is a wasteful number, since it uses less digits than its factorization.

201133123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 201133123 is about 14182.1409878763. The cubic root of 201133123 is about 585.9058923532.

Adding to 201133123 its reverse (321331102), we get a palindrome (522464225).

The spelling of 201133123 in words is "two hundred one million, one hundred thirty-three thousand, one hundred twenty-three".