201123232199 has 4 divisors (see below), whose sum is σ = 201140819736. Its totient is φ = 201105644664.

The previous prime is 201123232157. The next prime is 201123232207. The reversal of 201123232199 is 991232321102.

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 201123232199 - 2²⁰ = 201122183623 is a prime.

It is a super-4 number, since 4×201123232199⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201123232129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8776604 + ... + 8799489.

It is an arithmetic number, because the mean of its divisors is an integer number (50285204934).

Almost surely, 2^201123232199 is an apocalyptic number.

201123232199 is a deficient number, since it is larger than the sum of its proper divisors (17587537).

201123232199 is a wasteful number, since it uses less digits than its factorization.

201123232199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17587536.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 201123232199 in words is "two hundred one billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred ninety-nine".