216052323 has 4 divisors (see below), whose sum is σ = 288069768. Its totient is φ = 144034880.

The previous prime is 216052321. The next prime is 216052357. The reversal of 216052323 is 323250612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216052323 - 2¹ = 216052321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216052293 and 216052302.

It is not an unprimeable number, because it can be changed into a prime (216052321) 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 3 ways as a sum of consecutive naturals, for example, 36008718 + ... + 36008723.

It is an arithmetic number, because the mean of its divisors is an integer number (72017442).

Almost surely, 2^216052323 is an apocalyptic number.

216052323 is a deficient number, since it is larger than the sum of its proper divisors (72017445).

216052323 is an equidigital number, since it uses as much as digits as its factorization.

216052323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72017444.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 216052323 is about 14698.7184135216. The cubic root of 216052323 is about 600.0484433109.

The spelling of 216052323 in words is "two hundred sixteen million, fifty-two thousand, three hundred twenty-three".