423442312211 has 2 divisors, whose sum is σ = 423442312212. Its totient is φ = 423442312210.

The previous prime is 423442312207. The next prime is 423442312273. The reversal of 423442312211 is 112213244324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423442312211 - 2² = 423442312207 is a prime.

It is not a weakly prime, because it can be changed into another prime (423442312411) 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, 211721156105 + 211721156106.

It is an arithmetic number, because the mean of its divisors is an integer number (211721156106).

Almost surely, 2^423442312211 is an apocalyptic number.

423442312211 is a deficient number, since it is larger than the sum of its proper divisors (1).

423442312211 is an equidigital number, since it uses as much as digits as its factorization.

423442312211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 29.

Adding to 423442312211 its reverse (112213244324), we get a palindrome (535655556535).

The spelling of 423442312211 in words is "four hundred twenty-three billion, four hundred forty-two million, three hundred twelve thousand, two hundred eleven".