223616623 has 4 divisors (see below), whose sum is σ = 236770560. Its totient is φ = 210462688.

The previous prime is 223616611. The next prime is 223616629. The reversal of 223616623 is 326616322.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 223616623 - 2²¹ = 221519471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223616629) 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, 6576943 + ... + 6576976.

It is an arithmetic number, because the mean of its divisors is an integer number (59192640).

Almost surely, 2^223616623 is an apocalyptic number.

223616623 is a deficient number, since it is larger than the sum of its proper divisors (13153937).

223616623 is a wasteful number, since it uses less digits than its factorization.

223616623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13153936.

The product of its digits is 15552, while the sum is 31.

The square root of 223616623 is about 14953.8163356382. The cubic root of 223616623 is about 606.9711208166.

The spelling of 223616623 in words is "two hundred twenty-three million, six hundred sixteen thousand, six hundred twenty-three".