105530105123 has 8 divisors (see below), whose sum is σ = 108556338240. Its totient is φ = 102525411520.

The previous prime is 105530105119. The next prime is 105530105179. The reversal of 105530105123 is 321501035501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 105530105123 - 2² = 105530105119 is a prime.

It is a super-2 number, since 2×105530105123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105530105092 and 105530105101.

It is not an unprimeable number, because it can be changed into a prime (105530102123) 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, 5374940 + ... + 5394537.

It is an arithmetic number, because the mean of its divisors is an integer number (13569542280).

Almost surely, 2^105530105123 is an apocalyptic number.

105530105123 is a deficient number, since it is larger than the sum of its proper divisors (3026233117).

105530105123 is a wasteful number, since it uses less digits than its factorization.

105530105123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10769757.

The product of its (nonzero) digits is 2250, while the sum is 26.

The spelling of 105530105123 in words is "one hundred five billion, five hundred thirty million, one hundred five thousand, one hundred twenty-three".