423005426 has 8 divisors (see below), whose sum is σ = 656387820. Its totient is φ = 204209488.

The previous prime is 423005413. The next prime is 423005431. The reversal of 423005426 is 624500324.

It can be written as a sum of positive squares in 2 ways, for example, as 397005625 + 25999801 = 19925^2 + 5099^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 423005395 and 423005404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3646541 + ... + 3646656.

Almost surely, 2^423005426 is an apocalyptic number.

423005426 is a deficient number, since it is larger than the sum of its proper divisors (233382394).

423005426 is a wasteful number, since it uses less digits than its factorization.

423005426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7293228.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 423005426 is about 20567.0957113541. The cubic root of 423005426 is about 750.6692846405.

The spelling of 423005426 in words is "four hundred twenty-three million, five thousand, four hundred twenty-six".