201313010123 has 2 divisors, whose sum is σ = 201313010124. Its totient is φ = 201313010122.

The previous prime is 201313010117. The next prime is 201313010279. The reversal of 201313010123 is 321010313102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201313010123 is a prime.

It is not a weakly prime, because it can be changed into another prime (201313610123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100656505061 + 100656505062.

It is an arithmetic number, because the mean of its divisors is an integer number (100656505062).

Almost surely, 2^201313010123 is an apocalyptic number.

201313010123 is a deficient number, since it is larger than the sum of its proper divisors (1).

201313010123 is an equidigital number, since it uses as much as digits as its factorization.

201313010123 is an odious number, because the sum of its binary digits is odd.

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

Adding to 201313010123 its reverse (321010313102), we get a palindrome (522323323225).

The spelling of 201313010123 in words is "two hundred one billion, three hundred thirteen million, ten thousand, one hundred twenty-three".