42344105 has 4 divisors (see below), whose sum is σ = 50812932. Its totient is φ = 33875280.

The previous prime is 42344087. The next prime is 42344111. The reversal of 42344105 is 50144324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29463184 + 12880921 = 5428^2 + 3589^2 .

It is not a de Polignac number, because 42344105 - 2⁶ = 42344041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4234406 + ... + 4234415.

It is an arithmetic number, because the mean of its divisors is an integer number (12703233).

Almost surely, 2^42344105 is an apocalyptic number.

It is an amenable number.

42344105 is a deficient number, since it is larger than the sum of its proper divisors (8468827).

42344105 is an equidigital number, since it uses as much as digits as its factorization.

42344105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8468826.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42344105 is about 6507.2348197987. The cubic root of 42344105 is about 348.5493838118.

Adding to 42344105 its reverse (50144324), we get a palindrome (92488429).

The spelling of 42344105 in words is "forty-two million, three hundred forty-four thousand, one hundred five".