42111103423 has 8 divisors (see below), whose sum is σ = 42242614128. Its totient is φ = 41979770304.

The previous prime is 42111103369. The next prime is 42111103453. The reversal of 42111103423 is 32430111124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42111103423 - 2²⁵ = 42077548991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42111103394 and 42111103403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42111103453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438765 + ... + 526057.

It is an arithmetic number, because the mean of its divisors is an integer number (5280326766).

Almost surely, 2^42111103423 is an apocalyptic number.

42111103423 is a deficient number, since it is larger than the sum of its proper divisors (131510705).

42111103423 is a wasteful number, since it uses less digits than its factorization.

42111103423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88793.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 42111103423 its reverse (32430111124), we get a palindrome (74541214547).

The spelling of 42111103423 in words is "forty-two billion, one hundred eleven million, one hundred three thousand, four hundred twenty-three".