423230938 has 16 divisors (see below), whose sum is σ = 702160200. Its totient is φ = 190057536.

The previous prime is 423230933. The next prime is 423231007. The reversal of 423230938 is 839032324.

It can be written as a sum of positive squares in 4 ways, for example, as 268402689 + 154828249 = 16383^2 + 12443^2 .

It is not an unprimeable number, because it can be changed into a prime (423230933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219013 + ... + 220936.

Almost surely, 2^423230938 is an apocalyptic number.

423230938 is a deficient number, since it is larger than the sum of its proper divisors (278929262).

423230938 is a wasteful number, since it uses less digits than its factorization.

423230938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440001.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 423230938 is about 20572.5773300284. The cubic root of 423230938 is about 750.8026594920.

It can be divided in two parts, 423 and 230938, that added together give a square (231361 = 481²).

The spelling of 423230938 in words is "four hundred twenty-three million, two hundred thirty thousand, nine hundred thirty-eight".