105023443231 has 16 divisors (see below), whose sum is σ = 120235244544. Its totient is φ = 89863903584.

The previous prime is 105023443223. The next prime is 105023443241. The reversal of 105023443231 is 132344320501.

It is a happy number.

It is not a de Polignac number, because 105023443231 - 2³ = 105023443223 is a prime.

It is a super-2 number, since 2×105023443231² (a number of 23 digits) contains 22 as substring.

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 105023443231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105023443241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10595980 + ... + 10605886.

It is an arithmetic number, because the mean of its divisors is an integer number (7514702784).

Almost surely, 2^105023443231 is an apocalyptic number.

105023443231 is a deficient number, since it is larger than the sum of its proper divisors (15211801313).

105023443231 is a wasteful number, since it uses less digits than its factorization.

105023443231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12390.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 105023443231 its reverse (132344320501), we get a palindrome (237367763732).

The spelling of 105023443231 in words is "one hundred five billion, twenty-three million, four hundred forty-three thousand, two hundred thirty-one".