216364323 has 16 divisors (see below), whose sum is σ = 331525376. Its totient is φ = 122951520.

The previous prime is 216364319. The next prime is 216364327. The reversal of 216364323 is 323463612.

It is an interprime number because it is at equal distance from previous prime (216364319) and next prime (216364327).

It is not a de Polignac number, because 216364323 - 2² = 216364319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216364327) 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, 24661 + ... + 32262.

It is an arithmetic number, because the mean of its divisors is an integer number (20720336).

Almost surely, 2^216364323 is an apocalyptic number.

216364323 is a deficient number, since it is larger than the sum of its proper divisors (115161053).

216364323 is a wasteful number, since it uses less digits than its factorization.

216364323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57114.

The product of its digits is 15552, while the sum is 30.

The square root of 216364323 is about 14709.3277548636. The cubic root of 216364323 is about 600.3371466292.

The spelling of 216364323 in words is "two hundred sixteen million, three hundred sixty-four thousand, three hundred twenty-three".