201032130123 has 144 divisors (see below), whose sum is σ = 350329980000. Its totient is φ = 113821424640.

The previous prime is 201032130097. The next prime is 201032130137. The reversal of 201032130123 is 321031230102.

201032130123 is a `hidden beast` number, since 20 + 1 + 0 + 321 + 301 + 23 = 666.

It is not a de Polignac number, because 201032130123 - 2⁸ = 201032129867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201032130096 and 201032130105.

It is not an unprimeable number, because it can be changed into a prime (201032130023) 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 in 143 ways as a sum of consecutive naturals, for example, 140679573 + ... + 140681001.

Almost surely, 2^201032130123 is an apocalyptic number.

201032130123 is a deficient number, since it is larger than the sum of its proper divisors (149297849877).

201032130123 is a wasteful number, since it uses less digits than its factorization.

201032130123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 201032130123 its reverse (321031230102), we get a palindrome (522063360225).

The spelling of 201032130123 in words is "two hundred one billion, thirty-two million, one hundred thirty thousand, one hundred twenty-three".