423853998 has 8 divisors (see below), whose sum is σ = 847708008. Its totient is φ = 141284664.

The previous prime is 423853973. The next prime is 423854017. The reversal of 423853998 is 899358324.

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

423853998 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 423853998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35321161 + ... + 35321172.

It is an arithmetic number, because the mean of its divisors is an integer number (105963501).

Almost surely, 2^423853998 is an apocalyptic number.

423853998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423853998 is a wasteful number, since it uses less digits than its factorization.

423853998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70642338.

The product of its digits is 1866240, while the sum is 51.

The square root of 423853998 is about 20587.7147347635. The cubic root of 423853998 is about 751.1709105622.

The spelling of 423853998 in words is "four hundred twenty-three million, eight hundred fifty-three thousand, nine hundred ninety-eight".