1171287323 has 2 divisors, whose sum is σ = 1171287324. Its totient is φ = 1171287322.

The previous prime is 1171287289. The next prime is 1171287343. The reversal of 1171287323 is 3237821711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1171287323 - 2¹⁶ = 1171221787 is a prime.

It is not a weakly prime, because it can be changed into another prime (1171287343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585643661 + 585643662.

It is an arithmetic number, because the mean of its divisors is an integer number (585643662).

Almost surely, 2^1171287323 is an apocalyptic number.

1171287323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171287323 is an equidigital number, since it uses as much as digits as its factorization.

1171287323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 35.

The square root of 1171287323 is about 34224.0751956864. The cubic root of 1171287323 is about 1054.1145653666.

The spelling of 1171287323 in words is "one billion, one hundred seventy-one million, two hundred eighty-seven thousand, three hundred twenty-three".