16311323 has 8 divisors (see below), whose sum is σ = 18669792. Its totient is φ = 13959936.

The previous prime is 16311307. The next prime is 16311341. The reversal of 16311323 is 32311361.

It is a happy number.

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 16311323 - 2⁴ = 16311307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16311295 and 16311304.

It is not an unprimeable number, because it can be changed into a prime (16311343) 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 in 7 ways as a sum of consecutive naturals, for example, 4811 + ... + 7467.

It is an arithmetic number, because the mean of its divisors is an integer number (2333724).

Almost surely, 2^16311323 is an apocalyptic number.

16311323 is a deficient number, since it is larger than the sum of its proper divisors (2358469).

16311323 is an equidigital number, since it uses as much as digits as its factorization.

16311323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541.

The product of its digits is 324, while the sum is 20.

The square root of 16311323 is about 4038.7278937804. The cubic root of 16311323 is about 253.6080662565.

Adding to 16311323 its reverse (32311361), we get a palindrome (48622684).

The spelling of 16311323 in words is "sixteen million, three hundred eleven thousand, three hundred twenty-three".