216713123303 has 4 divisors (see below), whose sum is σ = 223703869248. Its totient is φ = 209722377360.

The previous prime is 216713123279. The next prime is 216713123327. The reversal of 216713123303 is 303321317612.

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

It is an interprime number because it is at equal distance from previous prime (216713123279) and next prime (216713123327).

It is a cyclic number.

It is not a de Polignac number, because 216713123303 - 2⁸ = 216713123047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216713123303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216713123383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3495372926 + ... + 3495372987.

It is an arithmetic number, because the mean of its divisors is an integer number (55925967312).

Almost surely, 2^216713123303 is an apocalyptic number.

216713123303 is a deficient number, since it is larger than the sum of its proper divisors (6990745945).

216713123303 is an equidigital number, since it uses as much as digits as its factorization.

216713123303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6990745944.

The product of its (nonzero) digits is 13608, while the sum is 32.

The spelling of 216713123303 in words is "two hundred sixteen billion, seven hundred thirteen million, one hundred twenty-three thousand, three hundred three".