42343342 has 4 divisors (see below), whose sum is σ = 63515016. Its totient is φ = 21171670.

The previous prime is 42343337. The next prime is 42343387. The reversal of 42343342 is 24334324.

42343342 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 super-2 number, since 2×42343342² = 3585917223457928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10585834 + ... + 10585837.

It is an arithmetic number, because the mean of its divisors is an integer number (15878754).

Almost surely, 2^42343342 is an apocalyptic number.

42343342 is a deficient number, since it is larger than the sum of its proper divisors (21171674).

42343342 is a wasteful number, since it uses less digits than its factorization.

42343342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21171673.

The product of its digits is 6912, while the sum is 25.

The square root of 42343342 is about 6507.1761924817. The cubic root of 42343342 is about 348.5472902911.

Adding to 42343342 its reverse (24334324), we get a palindrome (66677666).

The spelling of 42343342 in words is "forty-two million, three hundred forty-three thousand, three hundred forty-two".