105424132123 has 8 divisors (see below), whose sum is σ = 107493883200. Its totient is φ = 103363811208.

The previous prime is 105424132109. The next prime is 105424132147. The reversal of 105424132123 is 321231424501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105424132123 is a prime.

It is a super-2 number, since 2×105424132123² (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 = 105424132091 and 105424132100.

It is not an unprimeable number, because it can be changed into a prime (105424132223) 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, 2334961 + ... + 2379682.

It is an arithmetic number, because the mean of its divisors is an integer number (13436735400).

Almost surely, 2^105424132123 is an apocalyptic number.

105424132123 is a deficient number, since it is larger than the sum of its proper divisors (2069751077).

105424132123 is an equidigital number, since it uses as much as digits as its factorization.

105424132123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4715081.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 105424132123 its reverse (321231424501), we get a palindrome (426655556624).

The spelling of 105424132123 in words is "one hundred five billion, four hundred twenty-four million, one hundred thirty-two thousand, one hundred twenty-three".