42130603123 has 6 divisors (see below), whose sum is σ = 49009068996. Its totient is φ = 36111945492.

The previous prime is 42130603111. The next prime is 42130603127. The reversal of 42130603123 is 32130603124.

It is not a de Polignac number, because 42130603123 - 2⁵ = 42130603091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42130603127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 429904065 + ... + 429904162.

It is an arithmetic number, because the mean of its divisors is an integer number (8168178166).

Almost surely, 2^42130603123 is an apocalyptic number.

42130603123 is a deficient number, since it is larger than the sum of its proper divisors (6878465873).

42130603123 is an equidigital number, since it uses as much as digits as its factorization.

42130603123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859808241 (or 859808234 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Subtracting from 42130603123 its reverse (32130603124), we obtain a palindrome (9999999999).

The spelling of 42130603123 in words is "forty-two billion, one hundred thirty million, six hundred three thousand, one hundred twenty-three".