423505434 has 16 divisors (see below), whose sum is σ = 924012000. Its totient is φ = 128334960.

The previous prime is 423505399. The next prime is 423505447. The reversal of 423505434 is 434505324.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3208309 + ... + 3208440.

It is an arithmetic number, because the mean of its divisors is an integer number (57750750).

Almost surely, 2^423505434 is an apocalyptic number.

423505434 is an abundant number, since it is smaller than the sum of its proper divisors (500506566).

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

423505434 is a wasteful number, since it uses less digits than its factorization.

423505434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416765.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 423505434 is about 20579.2476538867. The cubic root of 423505434 is about 750.9649410969.

The spelling of 423505434 in words is "four hundred twenty-three million, five hundred five thousand, four hundred thirty-four".