1311173323 has 8 divisors (see below), whose sum is σ = 1318553600. Its totient is φ = 1303806888.

The previous prime is 1311173293. The next prime is 1311173341. The reversal of 1311173323 is 3233711131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311173323 - 2⁵ = 1311173291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311173393) 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 in 7 ways as a sum of consecutive naturals, for example, 228868 + ... + 234526.

It is an arithmetic number, because the mean of its divisors is an integer number (164819200).

Almost surely, 2^1311173323 is an apocalyptic number.

1311173323 is a deficient number, since it is larger than the sum of its proper divisors (7380277).

1311173323 is a wasteful number, since it uses less digits than its factorization.

1311173323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6921.

The product of its digits is 1134, while the sum is 25.

The square root of 1311173323 is about 36210.1273540981. The cubic root of 1311173323 is about 1094.5107585549.

Adding to 1311173323 its reverse (3233711131), we get a palindrome (4544884454).

The spelling of 1311173323 in words is "one billion, three hundred eleven million, one hundred seventy-three thousand, three hundred twenty-three".