123034321105 has 8 divisors (see below), whose sum is σ = 150426868392. Its totient is φ = 96570334848.

The previous prime is 123034321093. The next prime is 123034321129. The reversal of 123034321105 is 501123430321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11103258384 + 111931062721 = 105372^2 + 334561^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 123034321105 - 2²⁹ = 122497450193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123034321105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232139964 + ... + 232140493.

It is an arithmetic number, because the mean of its divisors is an integer number (18803358549).

Almost surely, 2^123034321105 is an apocalyptic number.

It is an amenable number.

123034321105 is a deficient number, since it is larger than the sum of its proper divisors (27392547287).

123034321105 is an equidigital number, since it uses as much as digits as its factorization.

123034321105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464280515.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 123034321105 its reverse (501123430321), we get a palindrome (624157751426).

The spelling of 123034321105 in words is "one hundred twenty-three billion, thirty-four million, three hundred twenty-one thousand, one hundred five".