423289434 has 16 divisors (see below), whose sum is σ = 846861120. Its totient is φ = 141049440.

The previous prime is 423289417. The next prime is 423289441. The reversal of 423289434 is 434982324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 423289392 and 423289401.

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, 11179 + ... + 31169.

It is an arithmetic number, because the mean of its divisors is an integer number (52928820).

Almost surely, 2^423289434 is an apocalyptic number.

423289434 is an abundant number, since it is smaller than the sum of its proper divisors (423571686).

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

423289434 is a wasteful number, since it uses less digits than its factorization.

423289434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23525.

The product of its digits is 165888, while the sum is 39.

The square root of 423289434 is about 20573.9989792942. The cubic root of 423289434 is about 750.8372481174.

The spelling of 423289434 in words is "four hundred twenty-three million, two hundred eighty-nine thousand, four hundred thirty-four".