423512632 has 8 divisors (see below), whose sum is σ = 794086200. Its totient is φ = 211756312.

The previous prime is 423512623. The next prime is 423512689. The reversal of 423512632 is 236215324.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 423512632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26469532 + ... + 26469547.

It is an arithmetic number, because the mean of its divisors is an integer number (99260775).

Almost surely, 2^423512632 is an apocalyptic number.

It is an amenable number.

423512632 is a deficient number, since it is larger than the sum of its proper divisors (370573568).

423512632 is a wasteful number, since it uses less digits than its factorization.

423512632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52939085 (or 52939081 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 423512632 is about 20579.4225380597. The cubic root of 423512632 is about 750.9691955996.

Adding to 423512632 its reverse (236215324), we get a palindrome (659727956).

The spelling of 423512632 in words is "four hundred twenty-three million, five hundred twelve thousand, six hundred thirty-two".