18200060023 has 4 divisors (see below), whose sum is σ = 18643963968. Its totient is φ = 17756156080.

The previous prime is 18200060017. The next prime is 18200060063. The reversal of 18200060023 is 32006000281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32006000281 = 1571 ⋅20373011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18200060023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18200059976 and 18200060003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18200060063) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 221951911 + ... + 221951992.

It is an arithmetic number, because the mean of its divisors is an integer number (4660990992).

Almost surely, 2^18200060023 is an apocalyptic number.

18200060023 is a deficient number, since it is larger than the sum of its proper divisors (443903945).

18200060023 is an equidigital number, since it uses as much as digits as its factorization.

18200060023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443903944.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 18200060023 in words is "eighteen billion, two hundred million, sixty thousand, twenty-three".