42124321030123 has 16 divisors (see below), whose sum is σ = 44043629011200. Its totient is φ = 40212362719584.

The previous prime is 42124321030117. The next prime is 42124321030151. The reversal of 42124321030123 is 32103012342124.

It is a cyclic number.

It is not a de Polignac number, because 42124321030123 - 2⁵ = 42124321030091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42124321030091 and 42124321030100.

It is not an unprimeable number, because it can be changed into a prime (42124321030193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58547440 + ... + 59262562.

It is an arithmetic number, because the mean of its divisors is an integer number (2752726813200).

Almost surely, 2^{42124321030123} is an apocalyptic number.

42124321030123 is a deficient number, since it is larger than the sum of its proper divisors (1919307981077).

42124321030123 is a wasteful number, since it uses less digits than its factorization.

42124321030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720258.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 42124321030123 its reverse (32103012342124), we get a palindrome (74227333372247).

The spelling of 42124321030123 in words is "forty-two trillion, one hundred twenty-four billion, three hundred twenty-one million, thirty thousand, one hundred twenty-three".