423343323289 has 2 divisors, whose sum is σ = 423343323290. Its totient is φ = 423343323288.

The previous prime is 423343323211. The next prime is 423343323313. The reversal of 423343323289 is 982323343324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 259223539600 + 164119783689 = 509140^2 + 405117^2 .

It is a cyclic number.

It is not a de Polignac number, because 423343323289 - 2¹¹ = 423343321241 is a prime.

It is not a weakly prime, because it can be changed into another prime (423343393289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211671661644 + 211671661645.

It is an arithmetic number, because the mean of its divisors is an integer number (211671661645).

Almost surely, 2^423343323289 is an apocalyptic number.

It is an amenable number.

423343323289 is a deficient number, since it is larger than the sum of its proper divisors (1).

423343323289 is an equidigital number, since it uses as much as digits as its factorization.

423343323289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 46.

The spelling of 423343323289 in words is "four hundred twenty-three billion, three hundred forty-three million, three hundred twenty-three thousand, two hundred eighty-nine".