423441323069 has 2 divisors, whose sum is σ = 423441323070. Its totient is φ = 423441323068.

The previous prime is 423441323009. The next prime is 423441323083. The reversal of 423441323069 is 960323144324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347946616900 + 75494706169 = 589870^2 + 274763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423441323069 is a prime.

It is a super-2 number, since 2×423441323069² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423441323009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211720661534 + 211720661535.

It is an arithmetic number, because the mean of its divisors is an integer number (211720661535).

Almost surely, 2^423441323069 is an apocalyptic number.

It is an amenable number.

423441323069 is a deficient number, since it is larger than the sum of its proper divisors (1).

423441323069 is an equidigital number, since it uses as much as digits as its factorization.

423441323069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 423441323069 in words is "four hundred twenty-three billion, four hundred forty-one million, three hundred twenty-three thousand, sixty-nine".