103130023122 has 80 divisors (see below), whose sum is σ = 264325007232. Its totient is φ = 29440635840.

The previous prime is 103130023111. The next prime is 103130023123. The reversal of 103130023122 is 221320031301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 103130023095 and 103130023104.

It is not an unprimeable number, because it can be changed into a prime (103130023123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1314747 + ... + 1390977.

Almost surely, 2^103130023122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103130023122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132162503616).

103130023122 is an abundant number, since it is smaller than the sum of its proper divisors (161194984110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103130023122 is a wasteful number, since it uses less digits than its factorization.

103130023122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77445 (or 77436 counting only the distinct ones).

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

Adding to 103130023122 its reverse (221320031301), we get a palindrome (324450054423).

The spelling of 103130023122 in words is "one hundred three billion, one hundred thirty million, twenty-three thousand, one hundred twenty-two".