823328311 has 8 divisors (see below), whose sum is σ = 933327920. Its totient is φ = 719995392.

The previous prime is 823328293. The next prime is 823328327. The reversal of 823328311 is 113823328.

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 823328311 - 2¹⁹ = 822804023 is a prime.

It is a super-2 number, since 2×823328311² = 1355739015388225442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823328381) 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, 1666410 + ... + 1666903.

It is an arithmetic number, because the mean of its divisors is an integer number (116665990).

Almost surely, 2^823328311 is an apocalyptic number.

823328311 is a deficient number, since it is larger than the sum of its proper divisors (109999609).

823328311 is a wasteful number, since it uses less digits than its factorization.

823328311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333345.

The product of its digits is 6912, while the sum is 31.

The square root of 823328311 is about 28693.6981060302. The cubic root of 823328311 is about 937.2548212425.

The spelling of 823328311 in words is "eight hundred twenty-three million, three hundred twenty-eight thousand, three hundred eleven".