434384923 has 16 divisors (see below), whose sum is σ = 518708736. Its totient is φ = 355671360.

The previous prime is 434384917. The next prime is 434384957. The reversal of 434384923 is 329483434.

It is a cyclic number.

It is not a de Polignac number, because 434384923 - 2⁹ = 434384411 is a prime.

It is a super-2 number, since 2×434384923² = 377380522659431858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (434384903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174415 + ... + 176887.

It is an arithmetic number, because the mean of its divisors is an integer number (32419296).

Almost surely, 2^434384923 is an apocalyptic number.

434384923 is a deficient number, since it is larger than the sum of its proper divisors (84323813).

434384923 is a wasteful number, since it uses less digits than its factorization.

434384923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3594.

The product of its digits is 248832, while the sum is 40.

The square root of 434384923 is about 20841.9030561031. The cubic root of 434384923 is about 757.3411957110.

The spelling of 434384923 in words is "four hundred thirty-four million, three hundred eighty-four thousand, nine hundred twenty-three".