42434263 has 4 divisors (see below), whose sum is σ = 42493360. Its totient is φ = 42375168.

The previous prime is 42434237. The next prime is 42434269. The reversal of 42434263 is 36243424.

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 42434263 - 2¹³ = 42426071 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 (42434269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28458 + ... + 29911.

It is an arithmetic number, because the mean of its divisors is an integer number (10623340).

Almost surely, 2^42434263 is an apocalyptic number.

42434263 is a deficient number, since it is larger than the sum of its proper divisors (59097).

42434263 is an equidigital number, since it uses as much as digits as its factorization.

42434263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59096.

The product of its digits is 13824, while the sum is 28.

The square root of 42434263 is about 6514.1586563424. The cubic root of 42434263 is about 348.7965826362.

Adding to 42434263 its reverse (36243424), we get a palindrome (78677687).

The spelling of 42434263 in words is "forty-two million, four hundred thirty-four thousand, two hundred sixty-three".