105786442123 has 2 divisors, whose sum is σ = 105786442124. Its totient is φ = 105786442122.

The previous prime is 105786442117. The next prime is 105786442193. The reversal of 105786442123 is 321244687501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105786442123 - 2¹⁷ = 105786311051 is a prime.

It is a super-2 number, since 2×105786442123² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105786442123.

It is not a weakly prime, because it can be changed into another prime (105786442193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52893221061 + 52893221062.

It is an arithmetic number, because the mean of its divisors is an integer number (52893221062).

Almost surely, 2^105786442123 is an apocalyptic number.

105786442123 is a deficient number, since it is larger than the sum of its proper divisors (1).

105786442123 is an equidigital number, since it uses as much as digits as its factorization.

105786442123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 105786442123 in words is "one hundred five billion, seven hundred eighty-six million, four hundred forty-two thousand, one hundred twenty-three".