423550426 has 8 divisors (see below), whose sum is σ = 684196884. Its totient is φ = 195484800.

The previous prime is 423550409. The next prime is 423550471. The reversal of 423550426 is 624055324.

It can be written as a sum of positive squares in 2 ways, for example, as 403969801 + 19580625 = 20099^2 + 4425^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8145175 + ... + 8145226.

Almost surely, 2^423550426 is an apocalyptic number.

423550426 is a deficient number, since it is larger than the sum of its proper divisors (260646458).

423550426 is a wasteful number, since it uses less digits than its factorization.

423550426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16290416.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 423550426 is about 20580.3407649145. The cubic root of 423550426 is about 750.9915336075.

The spelling of 423550426 in words is "four hundred twenty-three million, five hundred fifty thousand, four hundred twenty-six".