423077346569 has 2 divisors, whose sum is σ = 423077346570. Its totient is φ = 423077346568.

The previous prime is 423077346491. The next prime is 423077346661. The reversal of 423077346569 is 965643770324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221193377344 + 201883969225 = 470312^2 + 449315^2 .

It is a cyclic number.

It is not a de Polignac number, because 423077346569 - 2¹² = 423077342473 is a prime.

It is a super-2 number, since 2×423077346569² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423077346169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211538673284 + 211538673285.

It is an arithmetic number, because the mean of its divisors is an integer number (211538673285).

Almost surely, 2^423077346569 is an apocalyptic number.

It is an amenable number.

423077346569 is a deficient number, since it is larger than the sum of its proper divisors (1).

423077346569 is an equidigital number, since it uses as much as digits as its factorization.

423077346569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22861440, while the sum is 56.

The spelling of 423077346569 in words is "four hundred twenty-three billion, seventy-seven million, three hundred forty-six thousand, five hundred sixty-nine".