223253609 has 2 divisors, whose sum is σ = 223253610. Its totient is φ = 223253608.

The previous prime is 223253579. The next prime is 223253621. The reversal of 223253609 is 906352322.

223253609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172843609 + 50410000 = 13147^2 + 7100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223253609 is a prime.

It is a super-3 number, since 3×223253609³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_12291971 and since 223253609 and 12291971 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (223253659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111626804 + 111626805.

It is an arithmetic number, because the mean of its divisors is an integer number (111626805).

Almost surely, 2^223253609 is an apocalyptic number.

It is an amenable number.

223253609 is a deficient number, since it is larger than the sum of its proper divisors (1).

223253609 is an equidigital number, since it uses as much as digits as its factorization.

223253609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 223253609 is about 14941.6735675760. The cubic root of 223253609 is about 606.6424953471.

The spelling of 223253609 in words is "two hundred twenty-three million, two hundred fifty-three thousand, six hundred nine".