223451328 has 56 divisors (see below), whose sum is σ = 592533232. Its totient is φ = 74317824.

The previous prime is 223451311. The next prime is 223451359. The reversal of 223451328 is 823154322.

It is a junction number, because it is equal to n+sod(n) for n = 223451295 and 223451304.

It is an unprimeable number.

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, 109776 + ... + 111792.

Almost surely, 2^223451328 is an apocalyptic number.

It is an amenable number.

223451328 is an abundant number, since it is smaller than the sum of its proper divisors (369081904).

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

223451328 is a wasteful number, since it uses less digits than its factorization.

223451328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609 (or 2599 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 223451328 is about 14948.2884639011. The cubic root of 223451328 is about 606.8215284458.

The spelling of 223451328 in words is "two hundred twenty-three million, four hundred fifty-one thousand, three hundred twenty-eight".