42242042023 has 2 divisors, whose sum is σ = 42242042024. Its totient is φ = 42242042022.

The previous prime is 42242042021. The next prime is 42242042083. The reversal of 42242042023 is 32024024224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42242042023 - 2¹ = 42242042021 is a prime.

It is a super-2 number, since 2×42242042023² (a number of 22 digits) contains 22 as substring.

Together with 42242042021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42242042021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21121021011 + 21121021012.

It is an arithmetic number, because the mean of its divisors is an integer number (21121021012).

Almost surely, 2^42242042023 is an apocalyptic number.

42242042023 is a deficient number, since it is larger than the sum of its proper divisors (1).

42242042023 is an equidigital number, since it uses as much as digits as its factorization.

42242042023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 42242042023 its reverse (32024024224), we get a palindrome (74266066247).

The spelling of 42242042023 in words is "forty-two billion, two hundred forty-two million, forty-two thousand, twenty-three".