216103823 has 8 divisors (see below), whose sum is σ = 233095968. Its totient is φ = 199164384.

The previous prime is 216103819. The next prime is 216103841. The reversal of 216103823 is 328301612.

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

It is a cyclic number.

It is not a de Polignac number, because 216103823 - 2² = 216103819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216103792 and 216103801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216103873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4436 + ... + 21257.

It is an arithmetic number, because the mean of its divisors is an integer number (29136996).

Almost surely, 2^216103823 is an apocalyptic number.

216103823 is a deficient number, since it is larger than the sum of its proper divisors (16992145).

216103823 is a wasteful number, since it uses less digits than its factorization.

216103823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26353.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 216103823 is about 14700.4701625492. The cubic root of 216103823 is about 600.0961170091.

It can be divided in two parts, 216 and 103823, that multiplied together give a cube (22425768 = 282³).

The spelling of 216103823 in words is "two hundred sixteen million, one hundred three thousand, eight hundred twenty-three".