423312243313 has 2 divisors, whose sum is σ = 423312243314. Its totient is φ = 423312243312.

The previous prime is 423312243287. The next prime is 423312243323. The reversal of 423312243313 is 313342213324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265748498064 + 157563745249 = 515508^2 + 396943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423312243313 is a prime.

It is not a weakly prime, because it can be changed into another prime (423312243323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211656121656 + 211656121657.

It is an arithmetic number, because the mean of its divisors is an integer number (211656121657).

Almost surely, 2^423312243313 is an apocalyptic number.

It is an amenable number.

423312243313 is a deficient number, since it is larger than the sum of its proper divisors (1).

423312243313 is an equidigital number, since it uses as much as digits as its factorization.

423312243313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 31.

Adding to 423312243313 its reverse (313342213324), we get a palindrome (736654456637).

The spelling of 423312243313 in words is "four hundred twenty-three billion, three hundred twelve million, two hundred forty-three thousand, three hundred thirteen".