10223443409 has 2 divisors, whose sum is σ = 10223443410. Its totient is φ = 10223443408.

The previous prime is 10223443403. The next prime is 10223443421. The reversal of 10223443409 is 90434432201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10120360000 + 103083409 = 100600^2 + 10153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10223443409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10223443403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111721704 + 5111721705.

It is an arithmetic number, because the mean of its divisors is an integer number (5111721705).

Almost surely, 2^10223443409 is an apocalyptic number.

It is an amenable number.

10223443409 is a deficient number, since it is larger than the sum of its proper divisors (1).

10223443409 is an equidigital number, since it uses as much as digits as its factorization.

10223443409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 10223443409 in words is "ten billion, two hundred twenty-three million, four hundred forty-three thousand, four hundred nine".