123130100044 has 12 divisors (see below), whose sum is σ = 246260200144. Its totient is φ = 52770042864.

The previous prime is 123130100033. The next prime is 123130100059. The reversal of 123130100044 is 440001031321.

123130100044 is an admirable number.

It is a super-2 number, since 2×123130100044² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123130099994 and 123130100030.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2198751759 + ... + 2198751814.

Almost surely, 2^123130100044 is an apocalyptic number.

123130100044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123130100044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123130100044 is a wasteful number, since it uses less digits than its factorization.

123130100044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397503584 (or 4397503582 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123130100044 its reverse (440001031321), we get a palindrome (563131131365).

The spelling of 123130100044 in words is "one hundred twenty-three billion, one hundred thirty million, one hundred thousand, forty-four".