105355634123 has 16 divisors (see below), whose sum is σ = 107456622336. Its totient is φ = 103267383840.

The previous prime is 105355634119. The next prime is 105355634143. The reversal of 105355634123 is 321436553501.

It is a cyclic number.

It is not a de Polignac number, because 105355634123 - 2² = 105355634119 is a prime.

It is a super-2 number, since 2×105355634123² (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 (105355634143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24145340 + ... + 24149702.

It is an arithmetic number, because the mean of its divisors is an integer number (6716038896).

Almost surely, 2^105355634123 is an apocalyptic number.

105355634123 is a deficient number, since it is larger than the sum of its proper divisors (2100988213).

105355634123 is an equidigital number, since it uses as much as digits as its factorization.

105355634123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5714.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 105355634123 in words is "one hundred five billion, three hundred fifty-five million, six hundred thirty-four thousand, one hundred twenty-three".