18123453876 has 24 divisors (see below), whose sum is σ = 46132428384. Its totient is φ = 5491955680.

The previous prime is 18123453841. The next prime is 18123453893. The reversal of 18123453876 is 67835432181.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68649315 + ... + 68649578.

It is an arithmetic number, because the mean of its divisors is an integer number (1922184516).

Almost surely, 2^18123453876 is an apocalyptic number.

It is an amenable number.

18123453876 is an abundant number, since it is smaller than the sum of its proper divisors (28008974508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18123453876 is a wasteful number, since it uses less digits than its factorization.

18123453876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137298911 (or 137298909 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The spelling of 18123453876 in words is "eighteen billion, one hundred twenty-three million, four hundred fifty-three thousand, eight hundred seventy-six".