423443525 has 6 divisors (see below), whose sum is σ = 525070002. Its totient is φ = 338754800.

The previous prime is 423443513. The next prime is 423443549. The reversal of 423443525 is 525344324.

It can be written as a sum of positive squares in 3 ways, for example, as 23203489 + 400240036 = 4817^2 + 20006^2 .

It is not a de Polignac number, because 423443525 - 2⁸ = 423443269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423443491 and 423443500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8468846 + ... + 8468895.

It is an arithmetic number, because the mean of its divisors is an integer number (87511667).

Almost surely, 2^423443525 is an apocalyptic number.

It is an amenable number.

423443525 is a deficient number, since it is larger than the sum of its proper divisors (101626477).

423443525 is a wasteful number, since it uses less digits than its factorization.

423443525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16937751 (or 16937746 counting only the distinct ones).

The product of its digits is 57600, while the sum is 32.

The square root of 423443525 is about 20577.7434379963. The cubic root of 423443525 is about 750.9283467187.

Adding to 423443525 its reverse (525344324), we get a palindrome (948787849).

The spelling of 423443525 in words is "four hundred twenty-three million, four hundred forty-three thousand, five hundred twenty-five".