42340112443 has 4 divisors (see below), whose sum is σ = 42341058720. Its totient is φ = 42339166168.

The previous prime is 42340112417. The next prime is 42340112461. The reversal of 42340112443 is 34421104324.

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

It is a cyclic number.

It is not a de Polignac number, because 42340112443 - 2¹⁷ = 42339981371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42340112473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402508 + ... + 496681.

It is an arithmetic number, because the mean of its divisors is an integer number (10585264680).

Almost surely, 2^42340112443 is an apocalyptic number.

42340112443 is a deficient number, since it is larger than the sum of its proper divisors (946277).

42340112443 is an equidigital number, since it uses as much as digits as its factorization.

42340112443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946276.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 42340112443 its reverse (34421104324), we get a palindrome (76761216767).

The spelling of 42340112443 in words is "forty-two billion, three hundred forty million, one hundred twelve thousand, four hundred forty-three".