423002432 has 28 divisors (see below), whose sum is σ = 888773940. Its totient is φ = 199059456.

The previous prime is 423002417. The next prime is 423002479. The reversal of 423002432 is 234200324.

It can be written as a sum of positive squares in 2 ways, for example, as 361912576 + 61089856 = 19024^2 + 7816^2 .

It is a congruent number.

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, 193307 + ... + 195482.

Almost surely, 2^423002432 is an apocalyptic number.

It is an amenable number.

423002432 is an abundant number, since it is smaller than the sum of its proper divisors (465771508).

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

423002432 is a wasteful number, since it uses less digits than its factorization.

423002432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388818 (or 388808 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 423002432 is about 20567.0229250614. The cubic root of 423002432 is about 750.6675135764.

Adding to 423002432 its reverse (234200324), we get a palindrome (657202756).

The spelling of 423002432 in words is "four hundred twenty-three million, two thousand, four hundred thirty-two".