423565325 has 6 divisors (see below), whose sum is σ = 525221034. Its totient is φ = 338852240.

The previous prime is 423565321. The next prime is 423565349. The reversal of 423565325 is 523565324.

It can be written as a sum of positive squares in 3 ways, for example, as 4380649 + 419184676 = 2093^2 + 20474^2 .

It is not a de Polignac number, because 423565325 - 2² = 423565321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423565321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8471282 + ... + 8471331.

It is an arithmetic number, because the mean of its divisors is an integer number (87536839).

Almost surely, 2^423565325 is an apocalyptic number.

It is an amenable number.

423565325 is a deficient number, since it is larger than the sum of its proper divisors (101655709).

423565325 is a wasteful number, since it uses less digits than its factorization.

423565325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16942623 (or 16942618 counting only the distinct ones).

The product of its digits is 108000, while the sum is 35.

The square root of 423565325 is about 20580.7027333860. The cubic root of 423565325 is about 751.0003392427. Note that the first 3 decimals are identical.

Subtracting 423565325 from its reverse (523565324), we obtain a palindrome (99999999).

The spelling of 423565325 in words is "four hundred twenty-three million, five hundred sixty-five thousand, three hundred twenty-five".