12016323 has 16 divisors (see below), whose sum is σ = 19420800. Its totient is φ = 7282440.

The previous prime is 12016283. The next prime is 12016337. The reversal of 12016323 is 32361021.

It is not a de Polignac number, because 12016323 - 2⁶ = 12016259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12016296 and 12016305.

It is not an unprimeable number, because it can be changed into a prime (12016343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19933 + ... + 20526.

It is an arithmetic number, because the mean of its divisors is an integer number (1213800).

Almost surely, 2^12016323 is an apocalyptic number.

12016323 is a deficient number, since it is larger than the sum of its proper divisors (7404477).

12016323 is a wasteful number, since it uses less digits than its factorization.

12016323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40479 (or 40473 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 12016323 is about 3466.4568365984. The cubic root of 12016323 is about 229.0466079818.

Adding to 12016323 its reverse (32361021), we get a palindrome (44377344).

The spelling of 12016323 in words is "twelve million, sixteen thousand, three hundred twenty-three".