20130123102003 has 32 divisors (see below), whose sum is σ = 30517401657600. Its totient is φ = 13107363107328.

The previous prime is 20130123101989. The next prime is 20130123102091. The reversal of 20130123102003 is 30020132103102.

20130123102003 is a `hidden beast` number, since 20 + 130 + 1 + 2 + 310 + 200 + 3 = 666.

It is not a de Polignac number, because 20130123102003 - 2⁶ = 20130123101939 is a prime.

It is a super-2 number, since 2×20130123102003² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20130123106003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24639676 + ... + 25443542.

It is an arithmetic number, because the mean of its divisors is an integer number (953668801800).

Almost surely, 2^{20130123102003} is an apocalyptic number.

20130123102003 is a deficient number, since it is larger than the sum of its proper divisors (10387278555597).

20130123102003 is a wasteful number, since it uses less digits than its factorization.

20130123102003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825488 (or 825482 counting only the distinct ones).

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

Adding to 20130123102003 its reverse (30020132103102), we get a palindrome (50150255205105).

The spelling of 20130123102003 in words is "twenty trillion, one hundred thirty billion, one hundred twenty-three million, one hundred two thousand, three".