423222555611 has 2 divisors, whose sum is σ = 423222555612. Its totient is φ = 423222555610.

The previous prime is 423222555607. The next prime is 423222555619. The reversal of 423222555611 is 116555222324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423222555611 - 2² = 423222555607 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (423222555619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211611277805 + 211611277806.

It is an arithmetic number, because the mean of its divisors is an integer number (211611277806).

Almost surely, 2^423222555611 is an apocalyptic number.

423222555611 is a deficient number, since it is larger than the sum of its proper divisors (1).

423222555611 is an equidigital number, since it uses as much as digits as its factorization.

423222555611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144000, while the sum is 38.

Adding to 423222555611 its reverse (116555222324), we get a palindrome (539777777935).

The spelling of 423222555611 in words is "four hundred twenty-three billion, two hundred twenty-two million, five hundred fifty-five thousand, six hundred eleven".