18083856323 has 8 divisors (see below), whose sum is σ = 19590160800. Its totient is φ = 16692788424.

The previous prime is 18083856313. The next prime is 18083856331. The reversal of 18083856323 is 32365838081.

It is not a de Polignac number, because 18083856323 - 2¹⁰ = 18083855299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18083856313) 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, 4113383 + ... + 4117776.

It is an arithmetic number, because the mean of its divisors is an integer number (2448770100).

Almost surely, 2^18083856323 is an apocalyptic number.

18083856323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18083856323 is a deficient number, since it is larger than the sum of its proper divisors (1506304477).

18083856323 is an frugal number, since it uses more digits than its factorization.

18083856323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8231198 (or 8231172 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 18083856323 in words is "eighteen billion, eighty-three million, eight hundred fifty-six thousand, three hundred twenty-three".