18700079223 has 16 divisors (see below), whose sum is σ = 28497276416. Its totient is φ = 10685040480.

The previous prime is 18700079207. The next prime is 18700079227. The reversal of 18700079223 is 32297000781.

It is not a de Polignac number, because 18700079223 - 2⁴ = 18700079207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18700079227) 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 15 ways as a sum of consecutive naturals, for example, 556365 + ... + 589017.

It is an arithmetic number, because the mean of its divisors is an integer number (1781079776).

Almost surely, 2^18700079223 is an apocalyptic number.

18700079223 is a deficient number, since it is larger than the sum of its proper divisors (9797197193).

18700079223 is a wasteful number, since it uses less digits than its factorization.

18700079223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59934.

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 18700079223 in words is "eighteen billion, seven hundred million, seventy-nine thousand, two hundred twenty-three".