423208 has 8 divisors (see below), whose sum is σ = 793530. Its totient is φ = 211600.

The previous prime is 423191. The next prime is 423209. The reversal of 423208 is 802324.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 213444 + 209764 = 462^2 + 458^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×423208² = 358210022528, which contains 22 as substring.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (423209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26443 + ... + 26458.

2⁴²³²⁰⁸ is an apocalyptic number.

It is an amenable number.

423208 is a deficient number, since it is larger than the sum of its proper divisors (370322).

423208 is a wasteful number, since it uses less digits than its factorization.

423208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52907 (or 52903 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 423208 is about 650.5443874172. The cubic root of 423208 is about 75.0789095406.

The spelling of 423208 in words is "four hundred twenty-three thousand, two hundred eight".