223905234 has 32 divisors (see below), whose sum is σ = 538721280. Its totient is φ = 60605712.

The previous prime is 223905233. The next prime is 223905239. The reversal of 223905234 is 432509322.

223905234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (223905233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139494 + ... + 141089.

It is an arithmetic number, because the mean of its divisors is an integer number (16835040).

Almost surely, 2^223905234 is an apocalyptic number.

223905234 is an abundant number, since it is smaller than the sum of its proper divisors (314816046).

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

223905234 is a wasteful number, since it uses less digits than its factorization.

223905234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280614.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 223905234 is about 14963.4633023241. The cubic root of 223905234 is about 607.2321378332.

The spelling of 223905234 in words is "two hundred twenty-three million, nine hundred five thousand, two hundred thirty-four".