423432004 has 6 divisors (see below), whose sum is σ = 741006014. Its totient is φ = 211716000.

The previous prime is 423431989. The next prime is 423432011. The reversal of 423432004 is 400234324.

It can be written as a sum of positive squares in only one way, i.e., 280629504 + 142802500 = 16752^2 + 11950^2 .

It is a super-2 number, since 2×423432004² = 358589324022912032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52928997 + ... + 52929004.

Almost surely, 2^423432004 is an apocalyptic number.

It is an amenable number.

423432004 is a deficient number, since it is larger than the sum of its proper divisors (317574010).

423432004 is a wasteful number, since it uses less digits than its factorization.

423432004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105858005 (or 105858003 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 423432004 is about 20577.4634977200. The cubic root of 423432004 is about 750.9215362678.

Adding to 423432004 its reverse (400234324), we get a palindrome (823666328).

The spelling of 423432004 in words is "four hundred twenty-three million, four hundred thirty-two thousand, four".