223863345 has 20 divisors (see below), whose sum is σ = 401296500. Its totient is φ = 119393568.

The previous prime is 223863271. The next prime is 223863349. The reversal of 223863345 is 543368322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 113550336 + 110313009 = 10656^2 + 10503^2 .

It is not a de Polignac number, because 223863345 - 2¹⁵ = 223830577 is a prime.

It is a super-2 number, since 2×223863345² = 100229594469178050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223863349) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 275970 + ... + 276779.

It is an arithmetic number, because the mean of its divisors is an integer number (20064825).

Almost surely, 2^223863345 is an apocalyptic number.

It is an amenable number.

223863345 is a deficient number, since it is larger than the sum of its proper divisors (177433155).

223863345 is an equidigital number, since it uses as much as digits as its factorization.

223863345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552766 (or 552757 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 223863345 is about 14962.0635274684. The cubic root of 223863345 is about 607.1942677442.

The spelling of 223863345 in words is "two hundred twenty-three million, eight hundred sixty-three thousand, three hundred forty-five".