423351625 has 8 divisors (see below), whose sum is σ = 528342984. Its totient is φ = 338681200.

The previous prime is 423351611. The next prime is 423351637. The reversal of 423351625 is 526153324.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 107827456 + 315524169 = 10384^2 + 17763^2 .

It is not a de Polignac number, because 423351625 - 2⁷ = 423351497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1693282 + ... + 1693531.

It is an arithmetic number, because the mean of its divisors is an integer number (66042873).

Almost surely, 2^423351625 is an apocalyptic number.

It is an amenable number.

423351625 is a deficient number, since it is larger than the sum of its proper divisors (104991359).

423351625 is an equidigital number, since it uses as much as digits as its factorization.

423351625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386828 (or 3386818 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 423351625 is about 20575.5103217393. The cubic root of 423351625 is about 750.8740180979.

The spelling of 423351625 in words is "four hundred twenty-three million, three hundred fifty-one thousand, six hundred twenty-five".