423432005 has 16 divisors (see below), whose sum is σ = 566326080. Its totient is φ = 302038272.

The previous prime is 423431989. The next prime is 423432011. The reversal of 423432005 is 500234324.

It is a cyclic number.

It is not a de Polignac number, because 423432005 - 2⁴ = 423431989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129479 + ... + 132708.

It is an arithmetic number, because the mean of its divisors is an integer number (35395380).

Almost surely, 2^423432005 is an apocalyptic number.

It is an amenable number.

423432005 is a deficient number, since it is larger than the sum of its proper divisors (142894075).

423432005 is a wasteful number, since it uses less digits than its factorization.

423432005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262228.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 423432005 is about 20577.4635220185. The cubic root of 423432005 is about 750.9215368590.

Adding to 423432005 its reverse (500234324), we get a palindrome (923666329).

The spelling of 423432005 in words is "four hundred twenty-three million, four hundred thirty-two thousand, five".