423459905 has 8 divisors (see below), whose sum is σ = 554347584. Its totient is φ = 307970800.

The previous prime is 423459853. The next prime is 423459913. The reversal of 423459905 is 509954324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 423459905 - 2²⁶ = 356351041 is a prime.

It is a super-2 number, since 2×423459905² = 358636582285218050, which contains 22 as substring.

It is a Duffinian 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, 3849581 + ... + 3849690.

It is an arithmetic number, because the mean of its divisors is an integer number (69293448).

Almost surely, 2^423459905 is an apocalyptic number.

It is an amenable number.

423459905 is a deficient number, since it is larger than the sum of its proper divisors (130887679).

423459905 is a wasteful number, since it uses less digits than its factorization.

423459905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7699287.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 423459905 is about 20578.1414369714. The cubic root of 423459905 is about 750.9380292753.

The spelling of 423459905 in words is "four hundred twenty-three million, four hundred fifty-nine thousand, nine hundred five".