216800113283623 has 4 divisors (see below), whose sum is σ = 222659575804840. Its totient is φ = 210940650762408.

The previous prime is 216800113283599. The next prime is 216800113283669. The reversal of 216800113283623 is 326382311008612.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216800113283623 is a prime.

It is a super-2 number, since 2×216800113283623² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216800113283423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2929731260553 + ... + 2929731260626.

It is an arithmetic number, because the mean of its divisors is an integer number (55664893951210).

Almost surely, 2^{216800113283623} is an apocalyptic number.

216800113283623 is a deficient number, since it is larger than the sum of its proper divisors (5859462521217).

216800113283623 is an equidigital number, since it uses as much as digits as its factorization.

216800113283623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5859462521216.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 216800113283623 in words is "two hundred sixteen trillion, eight hundred billion, one hundred thirteen million, two hundred eighty-three thousand, six hundred twenty-three".