11723473 has 2 divisors, whose sum is σ = 11723474. Its totient is φ = 11723472.

The previous prime is 11723461. The next prime is 11723507. The reversal of 11723473 is 37432711.

11723473 is digitally balanced in base 2, 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., 11444689 + 278784 = 3383^2 + 528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11723473 is a prime.

It is not a weakly prime, because it can be changed into another prime (11723443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5861736 + 5861737.

It is an arithmetic number, because the mean of its divisors is an integer number (5861737).

Almost surely, 2^11723473 is an apocalyptic number.

It is an amenable number.

11723473 is a deficient number, since it is larger than the sum of its proper divisors (1).

11723473 is an equidigital number, since it uses as much as digits as its factorization.

11723473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 28.

The square root of 11723473 is about 3423.9557532188. The cubic root of 11723473 is about 227.1705847097.

The spelling of 11723473 in words is "eleven million, seven hundred twenty-three thousand, four hundred seventy-three".