42342163 has 4 divisors (see below), whose sum is σ = 42431040. Its totient is φ = 42253288.

The previous prime is 42342161. The next prime is 42342169. The reversal of 42342163 is 36124324.

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 42342163 - 2¹ = 42342161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42342161) 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, 43720 + ... + 44677.

It is an arithmetic number, because the mean of its divisors is an integer number (10607760).

Almost surely, 2^42342163 is an apocalyptic number.

42342163 is a deficient number, since it is larger than the sum of its proper divisors (88877).

42342163 is an equidigital number, since it uses as much as digits as its factorization.

42342163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88876.

The product of its digits is 3456, while the sum is 25.

The square root of 42342163 is about 6507.0855995599. The cubic root of 42342163 is about 348.5440552995.

Adding to 42342163 its reverse (36124324), we get a palindrome (78466487).

The spelling of 42342163 in words is "forty-two million, three hundred forty-two thousand, one hundred sixty-three".