423501532 has 6 divisors (see below), whose sum is σ = 741127688. Its totient is φ = 211750764.

The previous prime is 423501527. The next prime is 423501601. The reversal of 423501532 is 235105324.

It is a junction number, because it is equal to n+sod(n) for n = 423501497 and 423501506.

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 as a sum of consecutive naturals, namely, 52937688 + ... + 52937695.

Almost surely, 2^423501532 is an apocalyptic number.

It is an amenable number.

423501532 is a deficient number, since it is larger than the sum of its proper divisors (317626156).

423501532 is a wasteful number, since it uses less digits than its factorization.

423501532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105875387 (or 105875385 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 423501532 is about 20579.1528494251. The cubic root of 423501532 is about 750.9626347320.

Adding to 423501532 its reverse (235105324), we get a palindrome (658606856).

The spelling of 423501532 in words is "four hundred twenty-three million, five hundred one thousand, five hundred thirty-two".