423322221247 has 2 divisors, whose sum is σ = 423322221248. Its totient is φ = 423322221246.

The previous prime is 423322221229. The next prime is 423322221353. The reversal of 423322221247 is 742122223324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423322221247 - 2¹⁵ = 423322188479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423322221547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211661110623 + 211661110624.

It is an arithmetic number, because the mean of its divisors is an integer number (211661110624).

Almost surely, 2^423322221247 is an apocalyptic number.

423322221247 is a deficient number, since it is larger than the sum of its proper divisors (1).

423322221247 is an equidigital number, since it uses as much as digits as its factorization.

423322221247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 34.

The spelling of 423322221247 in words is "four hundred twenty-three billion, three hundred twenty-two million, two hundred twenty-one thousand, two hundred forty-seven".