42423502132213 has 2 divisors, whose sum is σ = 42423502132214. Its totient is φ = 42423502132212.

The previous prime is 42423502132199. The next prime is 42423502132247. The reversal of 42423502132213 is 31223120532424.

It is an a-pointer prime, because the next prime (42423502132247) can be obtained adding 42423502132213 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38725753892004 + 3697748240209 = 6223002^2 + 1922953^2 .

It is a cyclic number.

It is not a de Polignac number, because 42423502132213 - 2⁵ = 42423502132181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42423502132283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21211751066106 + 21211751066107.

It is an arithmetic number, because the mean of its divisors is an integer number (21211751066107).

Almost surely, 2^{42423502132213} is an apocalyptic number.

It is an amenable number.

42423502132213 is a deficient number, since it is larger than the sum of its proper divisors (1).

42423502132213 is an equidigital number, since it uses as much as digits as its factorization.

42423502132213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 42423502132213 its reverse (31223120532424), we get a palindrome (73646622664637).

The spelling of 42423502132213 in words is "forty-two trillion, four hundred twenty-three billion, five hundred two million, one hundred thirty-two thousand, two hundred thirteen".