42023634 has 8 divisors (see below), whose sum is σ = 84047280. Its totient is φ = 14007876.

The previous prime is 42023633. The next prime is 42023659. The reversal of 42023634 is 43632024.

It is a happy number.

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

42023634 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (42023633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3501964 + ... + 3501975.

It is an arithmetic number, because the mean of its divisors is an integer number (10505910).

Almost surely, 2^42023634 is an apocalyptic number.

42023634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42023634 is a wasteful number, since it uses less digits than its factorization.

42023634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7003944.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 42023634 is about 6482.5638446528. The cubic root of 42023634 is about 347.6678525911.

Adding to 42023634 its reverse (43632024), we get a palindrome (85655658).

The spelling of 42023634 in words is "forty-two million, twenty-three thousand, six hundred thirty-four".