18624470920423 has 32 divisors (see below), whose sum is σ = 19974725971200. Its totient is φ = 17332323993600.

The previous prime is 18624470920421. The next prime is 18624470920441. The reversal of 18624470920423 is 32402907442681.

It is not a de Polignac number, because 18624470920423 - 2¹ = 18624470920421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18624470920421) 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 31 ways as a sum of consecutive naturals, for example, 130194165 + ... + 130337137.

It is an arithmetic number, because the mean of its divisors is an integer number (624210186600).

Almost surely, 2^{18624470920423} is an apocalyptic number.

18624470920423 is a deficient number, since it is larger than the sum of its proper divisors (1350255050777).

18624470920423 is a wasteful number, since it uses less digits than its factorization.

18624470920423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144363.

The product of its (nonzero) digits is 4644864, while the sum is 52.

The spelling of 18624470920423 in words is "eighteen trillion, six hundred twenty-four billion, four hundred seventy million, nine hundred twenty thousand, four hundred twenty-three".