42026423113 has 2 divisors, whose sum is σ = 42026423114. Its totient is φ = 42026423112.

The previous prime is 42026423107. The next prime is 42026423141. The reversal of 42026423113 is 31132462024.

It is a happy number.

It is an a-pointer prime, because the next prime (42026423141) can be obtained adding 42026423113 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24372517689 + 17653905424 = 156117^2 + 132868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42026423113 is a prime.

It is a super-2 number, since 2×42026423113² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42056423113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21013211556 + 21013211557.

It is an arithmetic number, because the mean of its divisors is an integer number (21013211557).

Almost surely, 2^42026423113 is an apocalyptic number.

It is an amenable number.

42026423113 is a deficient number, since it is larger than the sum of its proper divisors (1).

42026423113 is an equidigital number, since it uses as much as digits as its factorization.

42026423113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 42026423113 its reverse (31132462024), we get a palindrome (73158885137).

The spelling of 42026423113 in words is "forty-two billion, twenty-six million, four hundred twenty-three thousand, one hundred thirteen".