42524423 has 4 divisors (see below), whose sum is σ = 42594408. Its totient is φ = 42454440.

The previous prime is 42524407. The next prime is 42524441. The reversal of 42524423 is 32442524.

It is a happy number.

42524423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42524423 - 2⁴ = 42524407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42524392 and 42524401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42524453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34073 + ... + 35298.

It is an arithmetic number, because the mean of its divisors is an integer number (10648602).

Almost surely, 2^42524423 is an apocalyptic number.

42524423 is a deficient number, since it is larger than the sum of its proper divisors (69985).

42524423 is an equidigital number, since it uses as much as digits as its factorization.

42524423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69984.

The product of its digits is 7680, while the sum is 26.

The square root of 42524423 is about 6521.0752947654. The cubic root of 42524423 is about 349.0434370393.

Adding to 42524423 its reverse (32442524), we get a palindrome (74966947).

The spelling of 42524423 in words is "forty-two million, five hundred twenty-four thousand, four hundred twenty-three".