123130144120 has 32 divisors (see below), whose sum is σ = 277055442720. Its totient is φ = 49249814400.

The previous prime is 123130144099. The next prime is 123130144183. The reversal of 123130144120 is 21441031321.

It is a super-2 number, since 2×123130144120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123130144091 and 123130144100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033645 + ... + 1146595.

It is an arithmetic number, because the mean of its divisors is an integer number (8657982585).

Almost surely, 2^123130144120 is an apocalyptic number.

123130144120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123130144120 is an abundant number, since it is smaller than the sum of its proper divisors (153925298600).

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

123130144120 is a wasteful number, since it uses less digits than its factorization.

123130144120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140215 (or 140211 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 123130144120 its reverse (21441031321), we get a palindrome (144571175441).

The spelling of 123130144120 in words is "one hundred twenty-three billion, one hundred thirty million, one hundred forty-four thousand, one hundred twenty".