20130113023 has 8 divisors (see below), whose sum is σ = 20293145600. Its totient is φ = 19967340888.

The previous prime is 20130112993. The next prime is 20130113077. The reversal of 20130113023 is 32031103102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20130113023 - 2¹⁷ = 20129981951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20130112988 and 20130113006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130113093) 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 7 ways as a sum of consecutive naturals, for example, 91618 + ... + 220576.

It is an arithmetic number, because the mean of its divisors is an integer number (2536643200).

Almost surely, 2^20130113023 is an apocalyptic number.

20130113023 is a deficient number, since it is larger than the sum of its proper divisors (163032577).

20130113023 is a wasteful number, since it uses less digits than its factorization.

20130113023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130221.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20130113023 its reverse (32031103102), we get a palindrome (52161216125).

The spelling of 20130113023 in words is "twenty billion, one hundred thirty million, one hundred thirteen thousand, twenty-three".