423243322161199 has 2 divisors, whose sum is σ = 423243322161200. Its totient is φ = 423243322161198.

The previous prime is 423243322161161. The next prime is 423243322161367. The reversal of 423243322161199 is 991161223342324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423243322161199 - 2²⁵ = 423243288606767 is a prime.

It is a super-2 number, since 2×423243322161199² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423243322161119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211621661080599 + 211621661080600.

It is an arithmetic number, because the mean of its divisors is an integer number (211621661080600).

Almost surely, 2^{423243322161199} is an apocalyptic number.

423243322161199 is a deficient number, since it is larger than the sum of its proper divisors (1).

423243322161199 is an equidigital number, since it uses as much as digits as its factorization.

423243322161199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 52.

The spelling of 423243322161199 in words is "four hundred twenty-three trillion, two hundred forty-three billion, three hundred twenty-two million, one hundred sixty-one thousand, one hundred ninety-nine".