423222111409 has 2 divisors, whose sum is σ = 423222111410. Its totient is φ = 423222111408.

The previous prime is 423222111407. The next prime is 423222111467. The reversal of 423222111409 is 904111222324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229318392384 + 193903719025 = 478872^2 + 440345^2 .

It is a cyclic number.

It is not a de Polignac number, because 423222111409 - 2¹ = 423222111407 is a prime.

Together with 423222111407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (423222111407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211611055704 + 211611055705.

It is an arithmetic number, because the mean of its divisors is an integer number (211611055705).

Almost surely, 2^423222111409 is an apocalyptic number.

It is an amenable number.

423222111409 is a deficient number, since it is larger than the sum of its proper divisors (1).

423222111409 is an equidigital number, since it uses as much as digits as its factorization.

423222111409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 423222111409 in words is "four hundred twenty-three billion, two hundred twenty-two million, one hundred eleven thousand, four hundred nine".