223243028 has 24 divisors (see below), whose sum is σ = 408973824. Its totient is φ = 106495200.

The previous prime is 223243021. The next prime is 223243043. The reversal of 223243028 is 820342322.

223243028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223243028³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223242988 and 223243006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223243021) 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, 3875 + ... + 21482.

It is an arithmetic number, because the mean of its divisors is an integer number (17040576).

Almost surely, 2^223243028 is an apocalyptic number.

It is an amenable number.

223243028 is a deficient number, since it is larger than the sum of its proper divisors (185730796).

223243028 is a wasteful number, since it uses less digits than its factorization.

223243028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25463 (or 25461 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 223243028 is about 14941.3194865782. The cubic root of 223243028 is about 606.6329113503.

It can be divided in two parts, 22324 and 3028, that added together give a palindrome (25352).

The spelling of 223243028 in words is "two hundred twenty-three million, two hundred forty-three thousand, twenty-eight".