11323729 has 2 divisors, whose sum is σ = 11323730. Its totient is φ = 11323728.

The previous prime is 11323727. The next prime is 11323733. The reversal of 11323729 is 92732311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10575504 + 748225 = 3252^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 11323729 - 2¹ = 11323727 is a prime.

Together with 11323727, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11323697 and 11323706.

It is not a weakly prime, because it can be changed into another prime (11323721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661864 + 5661865.

It is an arithmetic number, because the mean of its divisors is an integer number (5661865).

Almost surely, 2^11323729 is an apocalyptic number.

It is an amenable number.

11323729 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323729 is an equidigital number, since it uses as much as digits as its factorization.

11323729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 28.

The square root of 11323729 is about 3365.0748877254. The cubic root of 11323729 is about 224.5586674120.

The spelling of 11323729 in words is "eleven million, three hundred twenty-three thousand, seven hundred twenty-nine".