42343243105 has 8 divisors (see below), whose sum is σ = 50869572264. Its totient is φ = 33836140800.

The previous prime is 42343243093. The next prime is 42343243123. The reversal of 42343243105 is 50134234324.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 448931344 + 41894311761 = 21188^2 + 204681^2 .

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

It is not a de Polignac number, because 42343243105 - 2⁵ = 42343243073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4801866 + ... + 4810675.

It is an arithmetic number, because the mean of its divisors is an integer number (6358696533).

Almost surely, 2^42343243105 is an apocalyptic number.

It is an amenable number.

42343243105 is a deficient number, since it is larger than the sum of its proper divisors (8526329159).

42343243105 is an equidigital number, since it uses as much as digits as its factorization.

42343243105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9613427.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 42343243105 its reverse (50134234324), we get a palindrome (92477477429).

The spelling of 42343243105 in words is "forty-two billion, three hundred forty-three million, two hundred forty-three thousand, one hundred five".