18026307925623 has 12 divisors (see below), whose sum is σ = 27408421407640. Its totient is φ = 11385036584496.

The previous prime is 18026307925559. The next prime is 18026307925721. The reversal of 18026307925623 is 32652970362081.

18026307925623 is a `hidden beast` number, since 1 + 8 + 0 + 2 + 6 + 3 + 0 + 7 + 9 + 2 + 5 + 623 = 666.

It is not a de Polignac number, because 18026307925623 - 2⁶ = 18026307925559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18026307925623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18026307925723) 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 11 ways as a sum of consecutive naturals, for example, 52708502536 + ... + 52708502877.

Almost surely, 2^{18026307925623} is an apocalyptic number.

18026307925623 is a deficient number, since it is larger than the sum of its proper divisors (9382113482017).

18026307925623 is a wasteful number, since it uses less digits than its factorization.

18026307925623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105417005438 (or 105417005435 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 18026307925623 in words is "eighteen trillion, twenty-six billion, three hundred seven million, nine hundred twenty-five thousand, six hundred twenty-three".