423816193 has 8 divisors (see below), whose sum is σ = 446378688. Its totient is φ = 401598384.

The previous prime is 423816191. The next prime is 423816209. The reversal of 423816193 is 391618324.

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 423816193 - 2¹ = 423816191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423816191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83646 + ... + 88567.

It is an arithmetic number, because the mean of its divisors is an integer number (55797336).

Almost surely, 2^423816193 is an apocalyptic number.

It is an amenable number.

423816193 is a deficient number, since it is larger than the sum of its proper divisors (22562495).

423816193 is a wasteful number, since it uses less digits than its factorization.

423816193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172343.

The product of its digits is 31104, while the sum is 37.

The square root of 423816193 is about 20586.7965696463. The cubic root of 423816193 is about 751.1485767234.

The spelling of 423816193 in words is "four hundred twenty-three million, eight hundred sixteen thousand, one hundred ninety-three".