223231475717 has 2 divisors, whose sum is σ = 223231475718. Its totient is φ = 223231475716.

The previous prime is 223231475713. The next prime is 223231475783. The reversal of 223231475717 is 717574132322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219880339396 + 3351136321 = 468914^2 + 57889^2 .

It is a cyclic number.

It is not a de Polignac number, because 223231475717 - 2² = 223231475713 is a prime.

It is a super-3 number, since 3×223231475717³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223231475713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111615737858 + 111615737859.

It is an arithmetic number, because the mean of its divisors is an integer number (111615737859).

Almost surely, 2^223231475717 is an apocalyptic number.

It is an amenable number.

223231475717 is a deficient number, since it is larger than the sum of its proper divisors (1).

223231475717 is an equidigital number, since it uses as much as digits as its factorization.

223231475717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 44.

The spelling of 223231475717 in words is "two hundred twenty-three billion, two hundred thirty-one million, four hundred seventy-five thousand, seven hundred seventeen".