123130242104 has 32 divisors (see below), whose sum is σ = 234843764400. Its totient is φ = 60505785600.

The previous prime is 123130241999. The next prime is 123130242181. The reversal of 123130242104 is 401242031321.

It is a super-2 number, since 2×123130242104² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123130242104.

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, 1882754 + ... + 1947054.

Almost surely, 2^123130242104 is an apocalyptic number.

It is an amenable number.

123130242104 is a deficient number, since it is larger than the sum of its proper divisors (111713522296).

123130242104 is a wasteful number, since it uses less digits than its factorization.

123130242104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68423 (or 68419 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123130242104 its reverse (401242031321), we get a palindrome (524372273425).

The spelling of 123130242104 in words is "one hundred twenty-three billion, one hundred thirty million, two hundred forty-two thousand, one hundred four".