42361223017 has 2 divisors, whose sum is σ = 42361223018. Its totient is φ = 42361223016.

The previous prime is 42361223011. The next prime is 42361223057. The reversal of 42361223017 is 71032216324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40621999401 + 1739223616 = 201549^2 + 41704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42361223017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42361223017.

It is not a weakly prime, because it can be changed into another prime (42361223011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21180611508 + 21180611509.

It is an arithmetic number, because the mean of its divisors is an integer number (21180611509).

Almost surely, 2^42361223017 is an apocalyptic number.

It is an amenable number.

42361223017 is a deficient number, since it is larger than the sum of its proper divisors (1).

42361223017 is an equidigital number, since it uses as much as digits as its factorization.

42361223017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 42361223017 in words is "forty-two billion, three hundred sixty-one million, two hundred twenty-three thousand, seventeen".