423244442353 has 2 divisors, whose sum is σ = 423244442354. Its totient is φ = 423244442352.

The previous prime is 423244442287. The next prime is 423244442363. The reversal of 423244442353 is 353244442324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418438209424 + 4806232929 = 646868^2 + 69327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423244442353 is a prime.

It is not a weakly prime, because it can be changed into another prime (423244442363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211622221176 + 211622221177.

It is an arithmetic number, because the mean of its divisors is an integer number (211622221177).

Almost surely, 2^423244442353 is an apocalyptic number.

It is an amenable number.

423244442353 is a deficient number, since it is larger than the sum of its proper divisors (1).

423244442353 is an equidigital number, since it uses as much as digits as its factorization.

423244442353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1105920, while the sum is 40.

Adding to 423244442353 its reverse (353244442324), we get a palindrome (776488884677).

The spelling of 423244442353 in words is "four hundred twenty-three billion, two hundred forty-four million, four hundred forty-two thousand, three hundred fifty-three".