11564723 has 2 divisors, whose sum is σ = 11564724. Its totient is φ = 11564722.

The previous prime is 11564719. The next prime is 11564741. The reversal of 11564723 is 32746511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11564723 - 2² = 11564719 is a prime.

It is not a weakly prime, because it can be changed into another prime (11564783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5782361 + 5782362.

It is an arithmetic number, because the mean of its divisors is an integer number (5782362).

Almost surely, 2^11564723 is an apocalyptic number.

11564723 is a deficient number, since it is larger than the sum of its proper divisors (1).

11564723 is an equidigital number, since it uses as much as digits as its factorization.

11564723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 11564723 is about 3400.6944878951. The cubic root of 11564723 is about 226.1405331077.

The spelling of 11564723 in words is "eleven million, five hundred sixty-four thousand, seven hundred twenty-three".