223907234 has 24 divisors (see below), whose sum is σ = 350914284. Its totient is φ = 107136000.

The previous prime is 223907227. The next prime is 223907287. The reversal of 223907234 is 432709322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 190302025 + 33605209 = 13795^2 + 5797^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 223907234.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 185834 + ... + 187034.

Almost surely, 2^223907234 is an apocalyptic number.

223907234 is a deficient number, since it is larger than the sum of its proper divisors (127007050).

223907234 is a wasteful number, since it uses less digits than its factorization.

223907234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 223907234 is about 14963.5301316234. The cubic root of 223907234 is about 607.2339458312.

The spelling of 223907234 in words is "two hundred twenty-three million, nine hundred seven thousand, two hundred thirty-four".