223055643 has 8 divisors (see below), whose sum is σ = 297480256. Its totient is φ = 148667400.

The previous prime is 223055629. The next prime is 223055653. The reversal of 223055643 is 346550322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223055643 - 2⁶ = 223055579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223055643.

It is not an unprimeable number, because it can be changed into a prime (223055653) 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, 12648 + ... + 24618.

It is an arithmetic number, because the mean of its divisors is an integer number (37185032).

Almost surely, 2^223055643 is an apocalyptic number.

223055643 is a deficient number, since it is larger than the sum of its proper divisors (74424613).

223055643 is a wasteful number, since it uses less digits than its factorization.

223055643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18185.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 223055643 is about 14935.0474723049. The cubic root of 223055643 is about 606.4631326581.

The spelling of 223055643 in words is "two hundred twenty-three million, fifty-five thousand, six hundred forty-three".