42340234 has 32 divisors (see below), whose sum is σ = 70156800. Its totient is φ = 19143360.

The previous prime is 42340223. The next prime is 42340241. The reversal of 42340234 is 43204324.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 304537 + ... + 304675.

It is an arithmetic number, because the mean of its divisors is an integer number (2192400).

Almost surely, 2^42340234 is an apocalyptic number.

42340234 is a deficient number, since it is larger than the sum of its proper divisors (27816566).

42340234 is a wasteful number, since it uses less digits than its factorization.

42340234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 42340234 is about 6506.9373748331. The cubic root of 42340234 is about 348.5387622956.

Adding to 42340234 its reverse (43204324), we get a palindrome (85544558).

The spelling of 42340234 in words is "forty-two million, three hundred forty thousand, two hundred thirty-four".