423234353 has 2 divisors, whose sum is σ = 423234354. Its totient is φ = 423234352.

The previous prime is 423234307. The next prime is 423234359. The reversal of 423234353 is 353432324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422220304 + 1014049 = 20548^2 + 1007^2 .

It is a cyclic number.

It is not a de Polignac number, because 423234353 - 2¹² = 423230257 is a prime.

It is not a weakly prime, because it can be changed into another prime (423234359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211617176 + 211617177.

It is an arithmetic number, because the mean of its divisors is an integer number (211617177).

Almost surely, 2^423234353 is an apocalyptic number.

It is an amenable number.

423234353 is a deficient number, since it is larger than the sum of its proper divisors (1).

423234353 is an equidigital number, since it uses as much as digits as its factorization.

423234353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 29.

The square root of 423234353 is about 20572.6603286984. The cubic root of 423234353 is about 750.8046788657.

Adding to 423234353 its reverse (353432324), we get a palindrome (776666677).

The spelling of 423234353 in words is "four hundred twenty-three million, two hundred thirty-four thousand, three hundred fifty-three".