423453313 has 2 divisors, whose sum is σ = 423453314. Its totient is φ = 423453312.

The previous prime is 423453287. The next prime is 423453343. The reversal of 423453313 is 313354324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322992784 + 100460529 = 17972^2 + 10023^2 .

It is a cyclic number.

It is not a de Polignac number, because 423453313 - 2⁵ = 423453281 is a prime.

It is not a weakly prime, because it can be changed into another prime (423453343) 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, 211726656 + 211726657.

It is an arithmetic number, because the mean of its divisors is an integer number (211726657).

Almost surely, 2^423453313 is an apocalyptic number.

It is an amenable number.

423453313 is a deficient number, since it is larger than the sum of its proper divisors (1).

423453313 is an equidigital number, since it uses as much as digits as its factorization.

423453313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 28.

The square root of 423453313 is about 20577.9812663925. The cubic root of 423453313 is about 750.9341326378.

The spelling of 423453313 in words is "four hundred twenty-three million, four hundred fifty-three thousand, three hundred thirteen".