423943318 has 8 divisors (see below), whose sum is σ = 636234480. Its totient is φ = 211865160.

The previous prime is 423943313. The next prime is 423943319. The reversal of 423943318 is 813349324.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423943313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48178 + ... + 56293.

It is an arithmetic number, because the mean of its divisors is an integer number (79529310).

Almost surely, 2^423943318 is an apocalyptic number.

423943318 is a deficient number, since it is larger than the sum of its proper divisors (212291162).

423943318 is a wasteful number, since it uses less digits than its factorization.

423943318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106502.

The product of its digits is 62208, while the sum is 37.

The square root of 423943318 is about 20589.8838753403. The cubic root of 423943318 is about 751.2236723415.

The spelling of 423943318 in words is "four hundred twenty-three million, nine hundred forty-three thousand, three hundred eighteen".