423206611 has 2 divisors, whose sum is σ = 423206612. Its totient is φ = 423206610.

The previous prime is 423206579. The next prime is 423206669. The reversal of 423206611 is 116602324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423206611 - 2⁵ = 423206579 is a prime.

It is not a weakly prime, because it can be changed into another prime (423206011) 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, 211603305 + 211603306.

It is an arithmetic number, because the mean of its divisors is an integer number (211603306).

Almost surely, 2^423206611 is an apocalyptic number.

423206611 is a deficient number, since it is larger than the sum of its proper divisors (1).

423206611 is an equidigital number, since it uses as much as digits as its factorization.

423206611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 423206611 is about 20571.9860732988. The cubic root of 423206611 is about 750.7882740233.

Adding to 423206611 its reverse (116602324), we get a palindrome (539808935).

The spelling of 423206611 in words is "four hundred twenty-three million, two hundred six thousand, six hundred eleven".