223613 has 8 divisors (see below), whose sum is σ = 244608. Its totient is φ = 203184.

The previous prime is 223589. The next prime is 223621. The reversal of 223613 is 316322.

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

It is a cyclic number.

It is not a de Polignac number, because 223613 - 2⁶ = 223549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223591 and 223600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223633) 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, 1256 + ... + 1422.

It is an arithmetic number, because the mean of its divisors is an integer number (30576).

2²²³⁶¹³ is an apocalyptic number.

It is an amenable number.

223613 is a deficient number, since it is larger than the sum of its proper divisors (20995).

223613 is a wasteful number, since it uses less digits than its factorization.

223613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283.

The product of its digits is 216, while the sum is 17.

The square root of 223613 is about 472.8773625371. The cubic root of 223613 is about 60.6967842783.

Adding to 223613 its reverse (316322), we get a palindrome (539935).

The spelling of 223613 in words is "two hundred twenty-three thousand, six hundred thirteen".