216323343423 has 48 divisors (see below), whose sum is σ = 345621369600. Its totient is φ = 129290515200.

The previous prime is 216323343403. The next prime is 216323343433. The reversal of 216323343423 is 324343323612.

216323343423 is a `hidden beast` number, since 2 + 163 + 2 + 33 + 43 + 423 = 666.

216323343423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 216323343423 - 2¹⁶ = 216323277887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216323343403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2177628 + ... + 2274798.

It is an arithmetic number, because the mean of its divisors is an integer number (7200445200).

Almost surely, 2^216323343423 is an apocalyptic number.

216323343423 is a deficient number, since it is larger than the sum of its proper divisors (129298026177).

216323343423 is a wasteful number, since it uses less digits than its factorization.

216323343423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97500 (or 97497 counting only the distinct ones).

The product of its digits is 186624, while the sum is 36.

The spelling of 216323343423 in words is "two hundred sixteen billion, three hundred twenty-three million, three hundred forty-three thousand, four hundred twenty-three".