223243612 has 24 divisors (see below), whose sum is σ = 408949632. Its totient is φ = 106431600.

The previous prime is 223243549. The next prime is 223243613. The reversal of 223243612 is 216342322.

It is a super-3 number, since 3×223243612³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223243613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26787 + ... + 34117.

It is an arithmetic number, because the mean of its divisors is an integer number (17039568).

Almost surely, 2^223243612 is an apocalyptic number.

It is an amenable number.

223243612 is a deficient number, since it is larger than the sum of its proper divisors (185706020).

223243612 is a wasteful number, since it uses less digits than its factorization.

223243612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7689 (or 7687 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 223243612 is about 14941.3390296854. The cubic root of 223243612 is about 606.6334403303.

Adding to 223243612 its reverse (216342322), we get a palindrome (439585934).

The spelling of 223243612 in words is "two hundred twenty-three million, two hundred forty-three thousand, six hundred twelve".