423243334412233 has 2 divisors, whose sum is σ = 423243334412234. Its totient is φ = 423243334412232.

The previous prime is 423243334412191. The next prime is 423243334412267. The reversal of 423243334412233 is 332214433342324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255181071974544 + 168062262437689 = 15974388^2 + 12963883^2 .

It is a cyclic number.

It is not a de Polignac number, because 423243334412233 - 2²¹ = 423243332315081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423243334412233.

It is not a weakly prime, because it can be changed into another prime (423243334412293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211621667206116 + 211621667206117.

It is an arithmetic number, because the mean of its divisors is an integer number (211621667206117).

Almost surely, 2^{423243334412233} is an apocalyptic number.

It is an amenable number.

423243334412233 is a deficient number, since it is larger than the sum of its proper divisors (1).

423243334412233 is an equidigital number, since it uses as much as digits as its factorization.

423243334412233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 43.

Adding to 423243334412233 its reverse (332214433342324), we get a palindrome (755457767754557).

The spelling of 423243334412233 in words is "four hundred twenty-three trillion, two hundred forty-three billion, three hundred thirty-four million, four hundred twelve thousand, two hundred thirty-three".