123352442105 has 16 divisors (see below), whose sum is σ = 156674481600. Its totient is φ = 92971644480.

The previous prime is 123352442033. The next prime is 123352442107. The reversal of 123352442105 is 501244253321.

It is not a de Polignac number, because 123352442105 - 2²⁴ = 123335664889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123352442107) 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 15 ways as a sum of consecutive naturals, for example, 3569675 + ... + 3604064.

It is an arithmetic number, because the mean of its divisors is an integer number (9792155100).

Almost surely, 2^123352442105 is an apocalyptic number.

It is an amenable number.

123352442105 is a deficient number, since it is larger than the sum of its proper divisors (33322039495).

123352442105 is a wasteful number, since it uses less digits than its factorization.

123352442105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7173944.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 123352442105 its reverse (501244253321), we get a palindrome (624596695426).

The spelling of 123352442105 in words is "one hundred twenty-three billion, three hundred fifty-two million, four hundred forty-two thousand, one hundred five".