216332023 has 8 divisors (see below), whose sum is σ = 221158080. Its totient is φ = 211515360.

The previous prime is 216331979. The next prime is 216332071. The reversal of 216332023 is 320233612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216332023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216331985 and 216332003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216335023) 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 7 ways as a sum of consecutive naturals, for example, 65553 + ... + 68773.

It is an arithmetic number, because the mean of its divisors is an integer number (27644760).

Almost surely, 2^216332023 is an apocalyptic number.

216332023 is a deficient number, since it is larger than the sum of its proper divisors (4826057).

216332023 is a wasteful number, since it uses less digits than its factorization.

216332023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 216332023 is about 14708.2297711179. The cubic root of 216332023 is about 600.3072713174.

Adding to 216332023 its reverse (320233612), we get a palindrome (536565635).

The spelling of 216332023 in words is "two hundred sixteen million, three hundred thirty-two thousand, twenty-three".