109518104823 has 8 divisors (see below), whose sum is σ = 149970738288. Its totient is φ = 71038770624.

The previous prime is 109518104779. The next prime is 109518104863. The reversal of 109518104823 is 328401815901.

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

It is not a de Polignac number, because 109518104823 - 2²⁰ = 109517056247 is a prime.

It is a super-2 number, since 2×109518104823² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109518104863) 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, 493324686 + ... + 493324907.

It is an arithmetic number, because the mean of its divisors is an integer number (18746342286).

Almost surely, 2^109518104823 is an apocalyptic number.

109518104823 is a deficient number, since it is larger than the sum of its proper divisors (40452633465).

109518104823 is an equidigital number, since it uses as much as digits as its factorization.

109518104823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986649633.

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 109518104823 in words is "one hundred nine billion, five hundred eighteen million, one hundred four thousand, eight hundred twenty-three".