18680609047623 has 8 divisors (see below), whose sum is σ = 24907516798848. Its totient is φ = 12453720330744.

The previous prime is 18680609047619. The next prime is 18680609047687. The reversal of 18680609047623 is 32674090608681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18680609047623 - 2² = 18680609047619 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18680609047823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2284915 + ... + 6525492.

It is an arithmetic number, because the mean of its divisors is an integer number (3113439599856).

Almost surely, 2^{18680609047623} is an apocalyptic number.

18680609047623 is a deficient number, since it is larger than the sum of its proper divisors (6226907751225).

18680609047623 is an equidigital number, since it uses as much as digits as its factorization.

18680609047623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9517173.

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 18680609047623 in words is "eighteen trillion, six hundred eighty billion, six hundred nine million, forty-seven thousand, six hundred twenty-three".