223243117 has 2 divisors, whose sum is σ = 223243118. Its totient is φ = 223243116.

The previous prime is 223243087. The next prime is 223243147. The reversal of 223243117 is 711342322.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (223243087) and next prime (223243147).

It can be written as a sum of positive squares in only one way, i.e., 135745801 + 87497316 = 11651^2 + 9354^2 .

It is a cyclic number.

It is not a de Polignac number, because 223243117 - 2¹¹ = 223241069 is a prime.

It is a super-3 number, since 3×223243117³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223243091 and 223243100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223243147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111621558 + 111621559.

It is an arithmetic number, because the mean of its divisors is an integer number (111621559).

Almost surely, 2^223243117 is an apocalyptic number.

It is an amenable number.

223243117 is a deficient number, since it is larger than the sum of its proper divisors (1).

223243117 is an equidigital number, since it uses as much as digits as its factorization.

223243117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 223243117 is about 14941.3224648958. The cubic root of 223243117 is about 606.6329919654.

Adding to 223243117 its reverse (711342322), we get a palindrome (934585439).

The spelling of 223243117 in words is "two hundred twenty-three million, two hundred forty-three thousand, one hundred seventeen".