11657143 has 2 divisors, whose sum is σ = 11657144. Its totient is φ = 11657142.

The previous prime is 11657141. The next prime is 11657153. The reversal of 11657143 is 34175611.

11657143 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 is a cyclic number.

It is not a de Polignac number, because 11657143 - 2¹ = 11657141 is a prime.

Together with 11657141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11657141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828571 + 5828572.

It is an arithmetic number, because the mean of its divisors is an integer number (5828572).

Almost surely, 2^11657143 is an apocalyptic number.

11657143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11657143 is an equidigital number, since it uses as much as digits as its factorization.

11657143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 11657143 is about 3414.2558486440. The cubic root of 11657143 is about 226.7413395359.

The spelling of 11657143 in words is "eleven million, six hundred fifty-seven thousand, one hundred forty-three".