42424042423 has 8 divisors (see below), whose sum is σ = 48486255392. Its totient is φ = 36362238336.

The previous prime is 42424042387. The next prime is 42424042471. The reversal of 42424042423 is 32424042424.

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 42424042423 - 2¹⁷ = 42423911351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42424042483) 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, 167611 + ... + 336067.

It is an arithmetic number, because the mean of its divisors is an integer number (6060781924).

Almost surely, 2^42424042423 is an apocalyptic number.

42424042423 is a deficient number, since it is larger than the sum of its proper divisors (6062212969).

42424042423 is a wasteful number, since it uses less digits than its factorization.

42424042423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204441.

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 42424042423 its reverse (32424042424), we get a palindrome (74848084847).

Subtracting from 42424042423 its reverse (32424042424), we obtain a palindrome (9999999999).

The spelling of 42424042423 in words is "forty-two billion, four hundred twenty-four million, forty-two thousand, four hundred twenty-three".