10001323309 has 2 divisors, whose sum is σ = 10001323310. Its totient is φ = 10001323308.

The previous prime is 10001323307. The next prime is 10001323327. The reversal of 10001323309 is 90332310001.

10001323309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6464642409 + 3536680900 = 80403^2 + 59470^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001323309 - 2¹ = 10001323307 is a prime.

It is a super-2 number, since 2×10001323309² (a number of 21 digits) contains 22 as substring.

Together with 10001323307, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10001323309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001323307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000661654 + 5000661655.

It is an arithmetic number, because the mean of its divisors is an integer number (5000661655).

Almost surely, 2^10001323309 is an apocalyptic number.

It is an amenable number.

10001323309 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001323309 is an equidigital number, since it uses as much as digits as its factorization.

10001323309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

The spelling of 10001323309 in words is "ten billion, one million, three hundred twenty-three thousand, three hundred nine".