42423122243 has 16 divisors (see below), whose sum is σ = 45609490944. Its totient is φ = 39314056320.

The previous prime is 42423122237. The next prime is 42423122297. The reversal of 42423122243 is 34222132424.

42423122243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42423122243 - 2⁸ = 42423121987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42423122743) 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, 3007898 + ... + 3021968.

It is an arithmetic number, because the mean of its divisors is an integer number (2850593184).

Almost surely, 2^42423122243 is an apocalyptic number.

42423122243 is a deficient number, since it is larger than the sum of its proper divisors (3186368701).

42423122243 is a wasteful number, since it uses less digits than its factorization.

42423122243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16802.

The product of its digits is 18432, while the sum is 29.

Adding to 42423122243 its reverse (34222132424), we get a palindrome (76645254667).

The spelling of 42423122243 in words is "forty-two billion, four hundred twenty-three million, one hundred twenty-two thousand, two hundred forty-three".