423434605 has 16 divisors (see below), whose sum is σ = 554770944. Its totient is φ = 307698880.

The previous prime is 423434603. The next prime is 423434621. The reversal of 423434605 is 506434324.

It is not a de Polignac number, because 423434605 - 2¹ = 423434603 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423434603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87684 + ... + 92386.

It is an arithmetic number, because the mean of its divisors is an integer number (34673184).

Almost surely, 2^423434605 is an apocalyptic number.

It is an amenable number.

423434605 is a deficient number, since it is larger than the sum of its proper divisors (131336339).

423434605 is a wasteful number, since it uses less digits than its factorization.

423434605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 423434605 is about 20577.5266978323. The cubic root of 423434605 is about 750.9230738173.

Adding to 423434605 its reverse (506434324), we get a palindrome (929868929).

The spelling of 423434605 in words is "four hundred twenty-three million, four hundred thirty-four thousand, six hundred five".