105323143 has 4 divisors (see below), whose sum is σ = 111518640. Its totient is φ = 99127648.

The previous prime is 105323117. The next prime is 105323171. The reversal of 105323143 is 341323501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341323501 = 17 ⋅20077853.

It is a cyclic number.

It is not a de Polignac number, because 105323143 - 2⁹ = 105322631 is a prime.

It is a super-2 number, since 2×105323143² = 22185928902796898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105323173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3097723 + ... + 3097756.

It is an arithmetic number, because the mean of its divisors is an integer number (27879660).

Almost surely, 2^105323143 is an apocalyptic number.

105323143 is a deficient number, since it is larger than the sum of its proper divisors (6195497).

105323143 is an equidigital number, since it uses as much as digits as its factorization.

105323143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6195496.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 105323143 is about 10262.7064169253. The cubic root of 105323143 is about 472.2528674143.

Adding to 105323143 its reverse (341323501), we get a palindrome (446646644).

The spelling of 105323143 in words is "one hundred five million, three hundred twenty-three thousand, one hundred forty-three".