423396571 has 8 divisors (see below), whose sum is σ = 456335264. Its totient is φ = 390510720.

The previous prime is 423396557. The next prime is 423396593. The reversal of 423396571 is 175693324.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 423396571 - 2²¹ = 421299419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423396511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4306 + ... + 29416.

It is an arithmetic number, because the mean of its divisors is an integer number (57041908).

Almost surely, 2^423396571 is an apocalyptic number.

423396571 is a deficient number, since it is larger than the sum of its proper divisors (32938693).

423396571 is a wasteful number, since it uses less digits than its factorization.

423396571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26421.

The product of its digits is 136080, while the sum is 40.

The square root of 423396571 is about 20576.6025135346. The cubic root of 423396571 is about 750.9005898547.

The spelling of 423396571 in words is "four hundred twenty-three million, three hundred ninety-six thousand, five hundred seventy-one".