42243463 has 4 divisors (see below), whose sum is σ = 42479640. Its totient is φ = 42007288.

The previous prime is 42243413. The next prime is 42243497. The reversal of 42243463 is 36434224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42243463 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 (42243413) 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, 117820 + ... + 118177.

It is an arithmetic number, because the mean of its divisors is an integer number (10619910).

Almost surely, 2^42243463 is an apocalyptic number.

42243463 is a deficient number, since it is larger than the sum of its proper divisors (236177).

42243463 is a wasteful number, since it uses less digits than its factorization.

42243463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236176.

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

The square root of 42243463 is about 6499.4971343943. The cubic root of 42243463 is about 348.2730247206.

Adding to 42243463 its reverse (36434224), we get a palindrome (78677687).

The spelling of 42243463 in words is "forty-two million, two hundred forty-three thousand, four hundred sixty-three".