423021532 has 24 divisors (see below), whose sum is σ = 753418512. Its totient is φ = 207792000.

The previous prime is 423021509. The next prime is 423021569. The reversal of 423021532 is 235120324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48928 + ... + 56920.

It is an arithmetic number, because the mean of its divisors is an integer number (31392438).

Almost surely, 2^423021532 is an apocalyptic number.

It is an amenable number.

423021532 is a deficient number, since it is larger than the sum of its proper divisors (330396980).

423021532 is a wasteful number, since it uses less digits than its factorization.

423021532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8229 (or 8227 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 423021532 is about 20567.4872553747. The cubic root of 423021532 is about 750.6788118044.

Adding to 423021532 its reverse (235120324), we get a palindrome (658141856).

It can be divided in two parts, 42302 and 1532, that added together give a palindrome (43834).

The spelling of 423021532 in words is "four hundred twenty-three million, twenty-one thousand, five hundred thirty-two".