18340116223 has 32 divisors (see below), whose sum is σ = 22101710400. Its totient is φ = 14998348800.

The previous prime is 18340116217. The next prime is 18340116227. The reversal of 18340116223 is 32261104381.

It is a cyclic number.

It is not a de Polignac number, because 18340116223 - 2⁵ = 18340116191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18340116227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 941163 + ... + 960451.

It is an arithmetic number, because the mean of its divisors is an integer number (690678450).

Almost surely, 2^18340116223 is an apocalyptic number.

18340116223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18340116223 is a deficient number, since it is larger than the sum of its proper divisors (3761594177).

18340116223 is a wasteful number, since it uses less digits than its factorization.

18340116223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19483.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 18340116223 in words is "eighteen billion, three hundred forty million, one hundred sixteen thousand, two hundred twenty-three".