424342235 has 4 divisors (see below), whose sum is σ = 509210688. Its totient is φ = 339473784.

The previous prime is 424342213. The next prime is 424342271. The reversal of 424342235 is 532243424.

It is a happy number.

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-424342235 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424342198 and 424342207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42434219 + ... + 42434228.

It is an arithmetic number, because the mean of its divisors is an integer number (127302672).

Almost surely, 2^424342235 is an apocalyptic number.

424342235 is a deficient number, since it is larger than the sum of its proper divisors (84868453).

424342235 is an equidigital number, since it uses as much as digits as its factorization.

424342235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84868452.

The product of its digits is 23040, while the sum is 29.

The square root of 424342235 is about 20599.5688061668. The cubic root of 424342235 is about 751.4592242301.

Adding to 424342235 its reverse (532243424), we get a palindrome (956585659).

The spelling of 424342235 in words is "four hundred twenty-four million, three hundred forty-two thousand, two hundred thirty-five".