423530252 has 12 divisors (see below), whose sum is σ = 741586776. Its totient is φ = 211648320.

The previous prime is 423530243. The next prime is 423530279. The reversal of 423530252 is 252035324.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20774 + ... + 35757.

It is an arithmetic number, because the mean of its divisors is an integer number (61798898).

Almost surely, 2^423530252 is an apocalyptic number.

It is an amenable number.

423530252 is a deficient number, since it is larger than the sum of its proper divisors (318056524).

423530252 is a wasteful number, since it uses less digits than its factorization.

423530252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58408 (or 58406 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 423530252 is about 20579.8506311392. The cubic root of 423530252 is about 750.9796100027.

Adding to 423530252 its reverse (252035324), we get a palindrome (675565576).

The spelling of 423530252 in words is "four hundred twenty-three million, five hundred thirty thousand, two hundred fifty-two".