223968901 has 4 divisors (see below), whose sum is σ = 241197292. Its totient is φ = 206740512.

The previous prime is 223968889. The next prime is 223968911. The reversal of 223968901 is 109869322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 134212225 + 89756676 = 11585^2 + 9474^2 .

It is a cyclic number.

It is not a de Polignac number, because 223968901 - 2⁹ = 223968389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223968911) 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, 8614176 + ... + 8614201.

It is an arithmetic number, because the mean of its divisors is an integer number (60299323).

Almost surely, 2^223968901 is an apocalyptic number.

It is an amenable number.

223968901 is a deficient number, since it is larger than the sum of its proper divisors (17228391).

223968901 is a wasteful number, since it uses less digits than its factorization.

223968901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17228390.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 223968901 is about 14965.5905663626. The cubic root of 223968901 is about 607.2896874552.

The spelling of 223968901 in words is "two hundred twenty-three million, nine hundred sixty-eight thousand, nine hundred one".