201020130302123 has 16 divisors (see below), whose sum is σ = 222327657554400. Its totient is φ = 180232178688000.

The previous prime is 201020130302093. The next prime is 201020130302149. The reversal of 201020130302123 is 321203031020102.

It is a cyclic number.

It is not a de Polignac number, because 201020130302123 - 2¹⁴ = 201020130285739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201020130302095 and 201020130302104.

It is not an unprimeable number, because it can be changed into a prime (201020130302623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351730448 + ... + 352301501.

It is an arithmetic number, because the mean of its divisors is an integer number (13895478597150).

Almost surely, 2^{201020130302123} is an apocalyptic number.

201020130302123 is a deficient number, since it is larger than the sum of its proper divisors (21307527252277).

201020130302123 is a wasteful number, since it uses less digits than its factorization.

201020130302123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704032318.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201020130302123 its reverse (321203031020102), we get a palindrome (522223161322225).

The spelling of 201020130302123 in words is "two hundred one trillion, twenty billion, one hundred thirty million, three hundred two thousand, one hundred twenty-three".