423441344344177 has 2 divisors, whose sum is σ = 423441344344178. Its totient is φ = 423441344344176.

The previous prime is 423441344344159. The next prime is 423441344344219. The reversal of 423441344344177 is 771443443144324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415801200569616 + 7640143774561 = 20391204^2 + 2764081^2 .

It is a cyclic number.

It is not a de Polignac number, because 423441344344177 - 2¹⁹ = 423441343819889 is a prime.

It is not a weakly prime, because it can be changed into another prime (423441344344477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211720672172088 + 211720672172089.

It is an arithmetic number, because the mean of its divisors is an integer number (211720672172089).

Almost surely, 2^{423441344344177} is an apocalyptic number.

It is an amenable number.

423441344344177 is a deficient number, since it is larger than the sum of its proper divisors (1).

423441344344177 is an equidigital number, since it uses as much as digits as its factorization.

423441344344177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43352064, while the sum is 55.

The spelling of 423441344344177 in words is "four hundred twenty-three trillion, four hundred forty-one billion, three hundred forty-four million, three hundred forty-four thousand, one hundred seventy-seven".