42242423005 has 4 divisors (see below), whose sum is σ = 50690907612. Its totient is φ = 33793938400.

The previous prime is 42242422991. The next prime is 42242423011. The reversal of 42242423005 is 50032424224.

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 25348142521 + 16894280484 = 159211^2 + 129978^2 .

It is not a de Polignac number, because 42242423005 - 2¹⁵ = 42242390237 is a prime.

It is a Duffinian number.

It is a congruent 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, 4224242296 + ... + 4224242305.

It is an arithmetic number, because the mean of its divisors is an integer number (12672726903).

Almost surely, 2^42242423005 is an apocalyptic number.

It is an amenable number.

42242423005 is a deficient number, since it is larger than the sum of its proper divisors (8448484607).

42242423005 is an equidigital number, since it uses as much as digits as its factorization.

42242423005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448484606.

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 42242423005 its reverse (50032424224), we get a palindrome (92274847229).

The spelling of 42242423005 in words is "forty-two billion, two hundred forty-two million, four hundred twenty-three thousand, five".