201113030123 has 2 divisors, whose sum is σ = 201113030124. Its totient is φ = 201113030122.

The previous prime is 201113030113. The next prime is 201113030143. The reversal of 201113030123 is 321030311102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201113030123 - 2⁸ = 201113029867 is a prime.

It is not a weakly prime, because it can be changed into another prime (201113030113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100556515061 + 100556515062.

It is an arithmetic number, because the mean of its divisors is an integer number (100556515062).

Almost surely, 2^201113030123 is an apocalyptic number.

201113030123 is a deficient number, since it is larger than the sum of its proper divisors (1).

201113030123 is an equidigital number, since it uses as much as digits as its factorization.

201113030123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 201113030123 its reverse (321030311102), we get a palindrome (522143341225).

The spelling of 201113030123 in words is "two hundred one billion, one hundred thirteen million, thirty thousand, one hundred twenty-three".