423243110417 has 2 divisors, whose sum is σ = 423243110418. Its totient is φ = 423243110416.

The previous prime is 423243110387. The next prime is 423243110471. The reversal of 423243110417 is 714011342324.

Together with next prime (423243110471) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217856496001 + 205386614416 = 466751^2 + 453196^2 .

It is a cyclic number.

It is not a de Polignac number, because 423243110417 - 2¹⁴ = 423243094033 is a prime.

It is not a weakly prime, because it can be changed into another prime (423243100417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211621555208 + 211621555209.

It is an arithmetic number, because the mean of its divisors is an integer number (211621555209).

Almost surely, 2^423243110417 is an apocalyptic number.

It is an amenable number.

423243110417 is a deficient number, since it is larger than the sum of its proper divisors (1).

423243110417 is an equidigital number, since it uses as much as digits as its factorization.

423243110417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 423243110417 in words is "four hundred twenty-three billion, two hundred forty-three million, one hundred ten thousand, four hundred seventeen".