18784201726223 has 12 divisors (see below), whose sum is σ = 21004370539560. Its totient is φ = 16748761905792.

The previous prime is 18784201726211. The next prime is 18784201726231. The reversal of 18784201726223 is 32262710248781.

It is not a de Polignac number, because 18784201726223 - 2¹⁴ = 18784201709839 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18784201726243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1710448136 + ... + 1710459117.

It is an arithmetic number, because the mean of its divisors is an integer number (1750364211630).

Almost surely, 2^{18784201726223} is an apocalyptic number.

18784201726223 is a deficient number, since it is larger than the sum of its proper divisors (2220168813337).

18784201726223 is a wasteful number, since it uses less digits than its factorization.

18784201726223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420907306 (or 3420907289 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 18784201726223 in words is "eighteen trillion, seven hundred eighty-four billion, two hundred one million, seven hundred twenty-six thousand, two hundred twenty-three".