243233404 has 12 divisors (see below), whose sum is σ = 429426144. Its totient is φ = 120540224.

The previous prime is 243233401. The next prime is 243233447. The reversal of 243233404 is 404332342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243233401) 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 3 ways as a sum of consecutive naturals, for example, 268612 + ... + 269515.

It is an arithmetic number, because the mean of its divisors is an integer number (35785512).

Almost surely, 2^243233404 is an apocalyptic number.

It is an amenable number.

243233404 is a deficient number, since it is larger than the sum of its proper divisors (186192740).

243233404 is a wasteful number, since it uses less digits than its factorization.

243233404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538244 (or 538242 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 243233404 is about 15595.9419080734. The cubic root of 243233404 is about 624.2248771728.

Adding to 243233404 its reverse (404332342), we get a palindrome (647565746).

The spelling of 243233404 in words is "two hundred forty-three million, two hundred thirty-three thousand, four hundred four".