423510032 has 20 divisors (see below), whose sum is σ = 895146576. Its totient is φ = 192504480.

The previous prime is 423510013. The next prime is 423510037. The reversal of 423510032 is 230015324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 423509986 and 423510013.

It is not an unprimeable number, because it can be changed into a prime (423510037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1202978 + ... + 1203329.

Almost surely, 2^423510032 is an apocalyptic number.

It is an amenable number.

423510032 is an abundant number, since it is smaller than the sum of its proper divisors (471636544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423510032 is a wasteful number, since it uses less digits than its factorization.

423510032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406326 (or 2406320 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 423510032 is about 20579.3593680659. The cubic root of 423510032 is about 750.9676588301.

Adding to 423510032 its reverse (230015324), we get a palindrome (653525356).

The spelling of 423510032 in words is "four hundred twenty-three million, five hundred ten thousand, thirty-two".