201123232213 has 2 divisors, whose sum is σ = 201123232214. Its totient is φ = 201123232212.

The previous prime is 201123232207. The next prime is 201123232319. The reversal of 201123232213 is 312232321102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172708398724 + 28414833489 = 415582^2 + 168567^2 .

It is a cyclic number.

It is not a de Polignac number, because 201123232213 - 2²⁹ = 200586361301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201123292213) 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 as a sum of consecutive naturals, namely, 100561616106 + 100561616107.

It is an arithmetic number, because the mean of its divisors is an integer number (100561616107).

Almost surely, 2^201123232213 is an apocalyptic number.

It is an amenable number.

201123232213 is a deficient number, since it is larger than the sum of its proper divisors (1).

201123232213 is an equidigital number, since it uses as much as digits as its factorization.

201123232213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 201123232213 its reverse (312232321102), we get a palindrome (513355553315).

The spelling of 201123232213 in words is "two hundred one billion, one hundred twenty-three million, two hundred thirty-two thousand, two hundred thirteen".