223423028 has 12 divisors (see below), whose sum is σ = 391104672. Its totient is φ = 111678840.

The previous prime is 223423021. The next prime is 223423049. The reversal of 223423028 is 820324322.

It is a junction number, because it is equal to n+sod(n) for n = 223422988 and 223423006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223423021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13751 + ... + 25217.

It is an arithmetic number, because the mean of its divisors is an integer number (32592056).

Almost surely, 2^223423028 is an apocalyptic number.

It is an amenable number.

223423028 is a deficient number, since it is larger than the sum of its proper divisors (167681644).

223423028 is a wasteful number, since it uses less digits than its factorization.

223423028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16342 (or 16340 counting only the distinct ones).

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

The square root of 223423028 is about 14947.3418372632. The cubic root of 223423028 is about 606.7959094823.

The spelling of 223423028 in words is "two hundred twenty-three million, four hundred twenty-three thousand, twenty-eight".