423612440353 has 2 divisors, whose sum is σ = 423612440354. Its totient is φ = 423612440352.

The previous prime is 423612440269. The next prime is 423612440357. The reversal of 423612440353 is 353044216324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368390730304 + 55221710049 = 606952^2 + 234993^2 .

It is a cyclic number.

It is not a de Polignac number, because 423612440353 - 2²¹ = 423610343201 is a prime.

It is not a weakly prime, because it can be changed into another prime (423612440357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211806220176 + 211806220177.

It is an arithmetic number, because the mean of its divisors is an integer number (211806220177).

Almost surely, 2^423612440353 is an apocalyptic number.

It is an amenable number.

423612440353 is a deficient number, since it is larger than the sum of its proper divisors (1).

423612440353 is an equidigital number, since it uses as much as digits as its factorization.

423612440353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 423612440353 its reverse (353044216324), we get a palindrome (776656656677).

The spelling of 423612440353 in words is "four hundred twenty-three billion, six hundred twelve million, four hundred forty thousand, three hundred fifty-three".