423148132 has 36 divisors (see below), whose sum is σ = 835982140. Its totient is φ = 187133760.

The previous prime is 423148129. The next prime is 423148151. The reversal of 423148132 is 231841324.

It can be written as a sum of positive squares in 2 ways, for example, as 167340096 + 255808036 = 12936^2 + 15994^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 423148132.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6094 + ... + 29722.

Almost surely, 2^423148132 is an apocalyptic number.

It is an amenable number.

423148132 is a deficient number, since it is larger than the sum of its proper divisors (412834008).

423148132 is a wasteful number, since it uses less digits than its factorization.

423148132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23692 (or 23679 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 423148132 is about 20570.5646981312. The cubic root of 423148132 is about 750.7536909388.

Adding to 423148132 its reverse (231841324), we get a palindrome (654989456).

The spelling of 423148132 in words is "four hundred twenty-three million, one hundred forty-eight thousand, one hundred thirty-two".