17223947243 has 2 divisors, whose sum is σ = 17223947244. Its totient is φ = 17223947242.

The previous prime is 17223947197. The next prime is 17223947329. The reversal of 17223947243 is 34274932271.

It is a weak prime.

It is an emirp because it is prime and its reverse (34274932271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17223947243 - 2¹⁶ = 17223881707 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 17223947194 and 17223947203.

It is not a weakly prime, because it can be changed into another prime (17223947743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8611973621 + 8611973622.

It is an arithmetic number, because the mean of its divisors is an integer number (8611973622).

Almost surely, 2^17223947243 is an apocalyptic number.

17223947243 is a deficient number, since it is larger than the sum of its proper divisors (1).

17223947243 is an equidigital number, since it uses as much as digits as its factorization.

17223947243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 44.

The spelling of 17223947243 in words is "seventeen billion, two hundred twenty-three million, nine hundred forty-seven thousand, two hundred forty-three".