109543983 has 16 divisors (see below), whose sum is σ = 150561792. Its totient is φ = 70812000.

The previous prime is 109543969. The next prime is 109543997. The reversal of 109543983 is 389345901.

It is an interprime number because it is at equal distance from previous prime (109543969) and next prime (109543997).

It is not a de Polignac number, because 109543983 - 2¹⁰ = 109542959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109543913) 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 15 ways as a sum of consecutive naturals, for example, 8778 + ... + 17208.

It is an arithmetic number, because the mean of its divisors is an integer number (9410112).

Almost surely, 2^109543983 is an apocalyptic number.

109543983 is a deficient number, since it is larger than the sum of its proper divisors (41017809).

109543983 is an equidigital number, since it uses as much as digits as its factorization.

109543983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8566.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 109543983 is about 10466.3261462655. The cubic root of 109543983 is about 478.4789568504.

The spelling of 109543983 in words is "one hundred nine million, five hundred forty-three thousand, nine hundred eighty-three".