105323133134442 has 32 divisors (see below), whose sum is σ = 211213178054208. Its totient is φ = 35013227688576.

The previous prime is 105323133134423. The next prime is 105323133134477. The reversal of 105323133134442 is 244431331323501.

It is a happy number.

It is a super-2 number, since 2×105323133134442² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105323133134442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300059013 + ... + 300409815.

It is an arithmetic number, because the mean of its divisors is an integer number (6600411814194).

Almost surely, 2^{105323133134442} is an apocalyptic number.

105323133134442 is an abundant number, since it is smaller than the sum of its proper divisors (105890044919766).

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

105323133134442 is a wasteful number, since it uses less digits than its factorization.

105323133134442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485334.

The product of its (nonzero) digits is 311040, while the sum is 39.

Adding to 105323133134442 its reverse (244431331323501), we get a palindrome (349754464457943).

The spelling of 105323133134442 in words is "one hundred five trillion, three hundred twenty-three billion, one hundred thirty-three million, one hundred thirty-four thousand, four hundred forty-two".