105103743123 has 8 divisors (see below), whose sum is σ = 140140361728. Its totient is φ = 70068143304.

The previous prime is 105103743079. The next prime is 105103743161. The reversal of 105103743123 is 321347301501.

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

It is not a de Polignac number, because 105103743123 - 2⁸ = 105103742867 is a prime.

It is a super-2 number, since 2×105103743123² (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 (105103743623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32190 + ... + 459612.

It is an arithmetic number, because the mean of its divisors is an integer number (17517545216).

Almost surely, 2^105103743123 is an apocalyptic number.

105103743123 is a deficient number, since it is larger than the sum of its proper divisors (35036618605).

105103743123 is an equidigital number, since it uses as much as digits as its factorization.

105103743123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509393.

The product of its (nonzero) digits is 7560, while the sum is 30.

The spelling of 105103743123 in words is "one hundred five billion, one hundred three million, seven hundred forty-three thousand, one hundred twenty-three".