223013681 has 8 divisors (see below), whose sum is σ = 253865664. Its totient is φ = 193924720.

The previous prime is 223013677. The next prime is 223013717. The reversal of 223013681 is 186310322.

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

It is not a de Polignac number, because 223013681 - 2² = 223013677 is a prime.

It is a super-2 number, since 2×223013681² = 99470203826339522, which contains 22 as substring.

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 223013681.

It is not an unprimeable number, because it can be changed into a prime (223013611) 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, 440486 + ... + 440991.

It is an arithmetic number, because the mean of its divisors is an integer number (31733208).

Almost surely, 2^223013681 is an apocalyptic number.

It is an amenable number.

223013681 is a deficient number, since it is larger than the sum of its proper divisors (30851983).

223013681 is a wasteful number, since it uses less digits than its factorization.

223013681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881511.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 223013681 is about 14933.6425898037. The cubic root of 223013681 is about 606.4251002915.

The spelling of 223013681 in words is "two hundred twenty-three million, thirteen thousand, six hundred eighty-one".