223234312 has 32 divisors (see below), whose sum is σ = 480251520. Its totient is φ = 95293440.

The previous prime is 223234307. The next prime is 223234313. The reversal of 223234312 is 213432322.

It is a super-3 number, since 3×223234312³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (223234313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6637 + ... + 22147.

It is an arithmetic number, because the mean of its divisors is an integer number (15007860).

Almost surely, 2^223234312 is an apocalyptic number.

It is an amenable number.

223234312 is an abundant number, since it is smaller than the sum of its proper divisors (257017208).

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

223234312 is a wasteful number, since it uses less digits than its factorization.

223234312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15781 (or 15777 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 223234312 is about 14941.0278093577. The cubic root of 223234312 is about 606.6250163948.

Adding to 223234312 its reverse (213432322), we get a palindrome (436666634).

The spelling of 223234312 in words is "two hundred twenty-three million, two hundred thirty-four thousand, three hundred twelve".