423340314223 has 2 divisors, whose sum is σ = 423340314224. Its totient is φ = 423340314222.

The previous prime is 423340314167. The next prime is 423340314323. The reversal of 423340314223 is 322413043324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423340314223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423340314323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211670157111 + 211670157112.

It is an arithmetic number, because the mean of its divisors is an integer number (211670157112).

Almost surely, 2^423340314223 is an apocalyptic number.

423340314223 is a deficient number, since it is larger than the sum of its proper divisors (1).

423340314223 is an equidigital number, since it uses as much as digits as its factorization.

423340314223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 423340314223 its reverse (322413043324), we get a palindrome (745753357547).

The spelling of 423340314223 in words is "four hundred twenty-three billion, three hundred forty million, three hundred fourteen thousand, two hundred twenty-three".