423432003 has 8 divisors (see below), whose sum is σ = 564690448. Its totient is φ = 282230784.

The previous prime is 423431989. The next prime is 423432011. The reversal of 423432003 is 300234324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 423432003 - 2¹⁶ = 423366467 is a prime.

It is a super-2 number, since 2×423432003² = 358589322329184018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423432013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7875 + ... + 30147.

It is an arithmetic number, because the mean of its divisors is an integer number (70586306).

Almost surely, 2^423432003 is an apocalyptic number.

423432003 is a deficient number, since it is larger than the sum of its proper divisors (141258445).

423432003 is a wasteful number, since it uses less digits than its factorization.

423432003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28613.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 423432003 is about 20577.4634734216. The cubic root of 423432003 is about 750.9215356767.

Adding to 423432003 its reverse (300234324), we get a palindrome (723666327).

The spelling of 423432003 in words is "four hundred twenty-three million, four hundred thirty-two thousand, three".