11723443 has 2 divisors, whose sum is σ = 11723444. Its totient is φ = 11723442.

The previous prime is 11723429. The next prime is 11723447. The reversal of 11723443 is 34432711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11723443 is a prime.

It is not a weakly prime, because it can be changed into another prime (11723447) 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, 5861721 + 5861722.

It is an arithmetic number, because the mean of its divisors is an integer number (5861722).

Almost surely, 2^11723443 is an apocalyptic number.

11723443 is a deficient number, since it is larger than the sum of its proper divisors (1).

11723443 is an equidigital number, since it uses as much as digits as its factorization.

11723443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 11723443 is about 3423.9513723182. The cubic root of 11723443 is about 227.1703909354.

The spelling of 11723443 in words is "eleven million, seven hundred twenty-three thousand, four hundred forty-three".