123105105533344 has 48 divisors (see below), whose sum is σ = 270544941263520. Its totient is φ = 54655543676160.

The previous prime is 123105105533327. The next prime is 123105105533369. The reversal of 123105105533344 is 443335501501321.

It is a junction number, because it is equal to n+sod(n) for n = 123105105533297 and 123105105533306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4066617579 + ... + 4066647850.

It is an arithmetic number, because the mean of its divisors is an integer number (5636352942990).

Almost surely, 2^{123105105533344} is an apocalyptic number.

It is an amenable number.

123105105533344 is an abundant number, since it is smaller than the sum of its proper divisors (147439835730176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123105105533344 is a wasteful number, since it uses less digits than its factorization.

123105105533344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8133265493 (or 8133265485 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 123105105533344 in words is "one hundred twenty-three trillion, one hundred five billion, one hundred five million, five hundred thirty-three thousand, three hundred forty-four".