108698818123 has 6 divisors (see below), whose sum is σ = 126445563996. Its totient is φ = 93170415492.

The previous prime is 108698818079. The next prime is 108698818157. The reversal of 108698818123 is 321818896801.

It is not a de Polignac number, because 108698818123 - 2³³ = 100108883531 is a prime.

It is a super-2 number, since 2×108698818123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108698816123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1109171565 + ... + 1109171662.

It is an arithmetic number, because the mean of its divisors is an integer number (21074260666).

Almost surely, 2^108698818123 is an apocalyptic number.

108698818123 is a deficient number, since it is larger than the sum of its proper divisors (17746745873).

108698818123 is an equidigital number, since it uses as much as digits as its factorization.

108698818123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218343241 (or 2218343234 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 55.

The spelling of 108698818123 in words is "one hundred eight billion, six hundred ninety-eight million, eight hundred eighteen thousand, one hundred twenty-three".