105523330447 has 16 divisors (see below), whose sum is σ = 112965225408. Its totient is φ = 98326609920.

The previous prime is 105523330313. The next prime is 105523330469. The reversal of 105523330447 is 744033325501.

It is a cyclic number.

It is not a de Polignac number, because 105523330447 - 2³¹ = 103375846799 is a prime.

It is a super-2 number, since 2×105523330447² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105523430447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551503 + ... + 717775.

It is an arithmetic number, because the mean of its divisors is an integer number (7060326588).

Almost surely, 2^105523330447 is an apocalyptic number.

105523330447 is a deficient number, since it is larger than the sum of its proper divisors (7441894961).

105523330447 is a wasteful number, since it uses less digits than its factorization.

105523330447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167010.

The product of its (nonzero) digits is 151200, while the sum is 37.

Adding to 105523330447 its reverse (744033325501), we get a palindrome (849556655948).

The spelling of 105523330447 in words is "one hundred five billion, five hundred twenty-three million, three hundred thirty thousand, four hundred forty-seven".