42320235 has 16 divisors (see below), whose sum is σ = 68991264. Its totient is φ = 22144512.

The previous prime is 42320203. The next prime is 42320237. The reversal of 42320235 is 53202324.

It is not a de Polignac number, because 42320235 - 2⁵ = 42320203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42320237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25822 + ... + 27411.

It is an arithmetic number, because the mean of its divisors is an integer number (4311954).

Almost surely, 2^42320235 is an apocalyptic number.

42320235 is a deficient number, since it is larger than the sum of its proper divisors (26671029).

42320235 is a wasteful number, since it uses less digits than its factorization.

42320235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53294.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 42320235 is about 6505.4004488579. The cubic root of 42320235 is about 348.4838773489.

Adding to 42320235 its reverse (53202324), we get a palindrome (95522559).

The spelling of 42320235 in words is "forty-two million, three hundred twenty thousand, two hundred thirty-five".