42309235 has 8 divisors (see below), whose sum is σ = 50806080. Its totient is φ = 33824064.

The previous prime is 42309217. The next prime is 42309247. The reversal of 42309235 is 53290324.

42309235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42309235 - 2¹⁷ = 42178163 is a prime.

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 in 7 ways as a sum of consecutive naturals, for example, 12006 + ... + 15124.

It is an arithmetic number, because the mean of its divisors is an integer number (6350760).

Almost surely, 2^42309235 is an apocalyptic number.

42309235 is a deficient number, since it is larger than the sum of its proper divisors (8496845).

42309235 is a wasteful number, since it uses less digits than its factorization.

42309235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5837.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 42309235 is about 6504.5549424999. The cubic root of 42309235 is about 348.4536817476.

Adding to 42309235 its reverse (53290324), we get a palindrome (95599559).

The spelling of 42309235 in words is "forty-two million, three hundred nine thousand, two hundred thirty-five".