201123132103 has 2 divisors, whose sum is σ = 201123132104. Its totient is φ = 201123132102.

The previous prime is 201123132073. The next prime is 201123132107. The reversal of 201123132103 is 301231321102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201123132103 - 2²⁵ = 201089577671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201123132107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100561566051 + 100561566052.

It is an arithmetic number, because the mean of its divisors is an integer number (100561566052).

Almost surely, 2^201123132103 is an apocalyptic number.

201123132103 is a deficient number, since it is larger than the sum of its proper divisors (1).

201123132103 is an equidigital number, since it uses as much as digits as its factorization.

201123132103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 201123132103 its reverse (301231321102), we get a palindrome (502354453205).

The spelling of 201123132103 in words is "two hundred one billion, one hundred twenty-three million, one hundred thirty-two thousand, one hundred three".