105320943 has 36 divisors (see below), whose sum is σ = 190591128. Its totient is φ = 55550880.

The previous prime is 105320939. The next prime is 105320947. The reversal of 105320943 is 349023501.

It is an interprime number because it is at equal distance from previous prime (105320939) and next prime (105320947).

It is not a de Polignac number, because 105320943 - 2² = 105320939 is a prime.

It is a super-2 number, since 2×105320943² = 22185002068818498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105320947) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3453 + ... + 14918.

It is an arithmetic number, because the mean of its divisors is an integer number (5294198).

Almost surely, 2^105320943 is an apocalyptic number.

105320943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105320943 is a deficient number, since it is larger than the sum of its proper divisors (85270185).

105320943 is a wasteful number, since it uses less digits than its factorization.

105320943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18404 (or 18394 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 105320943 is about 10262.5992321634. The cubic root of 105320943 is about 472.2495792368.

The spelling of 105320943 in words is "one hundred five million, three hundred twenty thousand, nine hundred forty-three".