42130104123 has 12 divisors (see below), whose sum is σ = 59672167160. Its totient is φ = 26434574592.

The previous prime is 42130104113. The next prime is 42130104143. The reversal of 42130104123 is 32140103124.

It is not a de Polignac number, because 42130104123 - 2⁵ = 42130104091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42130104123.

It is not an unprimeable number, because it can be changed into a prime (42130104113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24295618 + ... + 24297351.

Almost surely, 2^42130104123 is an apocalyptic number.

42130104123 is a deficient number, since it is larger than the sum of its proper divisors (17542063037).

42130104123 is a wasteful number, since it uses less digits than its factorization.

42130104123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48593006 (or 48592989 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 42130104123 its reverse (32140103124), we get a palindrome (74270207247).

Subtracting from 42130104123 its reverse (32140103124), we obtain a palindrome (9990000999).

The spelling of 42130104123 in words is "forty-two billion, one hundred thirty million, one hundred four thousand, one hundred twenty-three".