423077346169 has 2 divisors, whose sum is σ = 423077346170. Its totient is φ = 423077346168.

The previous prime is 423077346151. The next prime is 423077346179. The reversal of 423077346169 is 961643770324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298567166569 + 124510179600 = 546413^2 + 352860^2 .

It is a cyclic number.

It is not a de Polignac number, because 423077346169 - 2²¹ = 423075249017 is a prime.

It is a super-2 number, since 2×423077346169² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423077346179) 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, 211538673084 + 211538673085.

It is an arithmetic number, because the mean of its divisors is an integer number (211538673085).

Almost surely, 2^423077346169 is an apocalyptic number.

It is an amenable number.

423077346169 is a deficient number, since it is larger than the sum of its proper divisors (1).

423077346169 is an equidigital number, since it uses as much as digits as its factorization.

423077346169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 423077346169 in words is "four hundred twenty-three billion, seventy-seven million, three hundred forty-six thousand, one hundred sixty-nine".