423442551241 has 2 divisors, whose sum is σ = 423442551242. Its totient is φ = 423442551240.

The previous prime is 423442551227. The next prime is 423442551271. The reversal of 423442551241 is 142155244324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332241571216 + 91200980025 = 576404^2 + 301995^2 .

It is a cyclic number.

It is not a de Polignac number, because 423442551241 - 2²³ = 423434162633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423442551241.

It is not a weakly prime, because it can be changed into another prime (423442551271) 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, 211721275620 + 211721275621.

It is an arithmetic number, because the mean of its divisors is an integer number (211721275621).

Almost surely, 2^423442551241 is an apocalyptic number.

It is an amenable number.

423442551241 is a deficient number, since it is larger than the sum of its proper divisors (1).

423442551241 is an equidigital number, since it uses as much as digits as its factorization.

423442551241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153600, while the sum is 37.

Adding to 423442551241 its reverse (142155244324), we get a palindrome (565597795565).

The spelling of 423442551241 in words is "four hundred twenty-three billion, four hundred forty-two million, five hundred fifty-one thousand, two hundred forty-one".