423143332 has 12 divisors (see below), whose sum is σ = 750645196. Its totient is φ = 208673280.

The previous prime is 423143327. The next prime is 423143363. The reversal of 423143332 is 233341324.

It can be written as a sum of positive squares in 2 ways, for example, as 215091556 + 208051776 = 14666^2 + 14424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423143297 and 423143306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724269 + ... + 724852.

Almost surely, 2^423143332 is an apocalyptic number.

It is an amenable number.

423143332 is a deficient number, since it is larger than the sum of its proper divisors (327501864).

423143332 is a wasteful number, since it uses less digits than its factorization.

423143332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449198 (or 1449196 counting only the distinct ones).

The product of its digits is 5184, while the sum is 25.

The square root of 423143332 is about 20570.4480262341. The cubic root of 423143332 is about 750.7508521919.

Adding to 423143332 its reverse (233341324), we get a palindrome (656484656).

The spelling of 423143332 in words is "four hundred twenty-three million, one hundred forty-three thousand, three hundred thirty-two".