423319858 has 8 divisors (see below), whose sum is σ = 683824428. Its totient is φ = 195378384.

The previous prime is 423319847. The next prime is 423319859. The reversal of 423319858 is 858913324.

It can be written as a sum of positive squares in 2 ways, for example, as 359367849 + 63952009 = 18957^2 + 7997^2 .

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

It is not an unprimeable number, because it can be changed into a prime (423319859) 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, 8140741 + ... + 8140792.

Almost surely, 2^423319858 is an apocalyptic number.

423319858 is a deficient number, since it is larger than the sum of its proper divisors (260504570).

423319858 is a wasteful number, since it uses less digits than its factorization.

423319858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16281548.

The product of its digits is 207360, while the sum is 43.

The square root of 423319858 is about 20574.7383458454. The cubic root of 423319858 is about 750.8552365381.

The spelling of 423319858 in words is "four hundred twenty-three million, three hundred nineteen thousand, eight hundred fifty-eight".