105343355453 has 12 divisors (see below), whose sum is σ = 125531108892. Its totient is φ = 88092002880.

The previous prime is 105343355443. The next prime is 105343355497. The reversal of 105343355453 is 354553343501.

It can be written as a sum of positive squares in 2 ways, for example, as 16999465924 + 88343889529 = 130382^2 + 297227^2 .

It is not a de Polignac number, because 105343355453 - 2¹⁰ = 105343354429 is a prime.

It is a super-2 number, since 2×105343355453² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 105343355453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105343355443) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 26215850 + ... + 26219867.

It is an arithmetic number, because the mean of its divisors is an integer number (10460925741).

Almost surely, 2^105343355453 is an apocalyptic number.

It is an amenable number.

105343355453 is a deficient number, since it is larger than the sum of its proper divisors (20187753439).

105343355453 is an equidigital number, since it uses as much as digits as its factorization.

105343355453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52435772 (or 52435765 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 41.

Adding to 105343355453 its reverse (354553343501), we get a palindrome (459896698954).

The spelling of 105343355453 in words is "one hundred five billion, three hundred forty-three million, three hundred fifty-five thousand, four hundred fifty-three".