107443 has 4 divisors (see below), whose sum is σ = 122800. Its totient is φ = 92088.

The previous prime is 107441. The next prime is 107449. The reversal of 107443 is 344701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 107443 - 2¹ = 107441 is a prime.

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 107443.

It is not an unprimeable number, because it can be changed into a prime (107441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7668 + ... + 7681.

It is an arithmetic number, because the mean of its divisors is an integer number (30700).

2¹⁰⁷⁴⁴³ is an apocalyptic number.

107443 is a deficient number, since it is larger than the sum of its proper divisors (15357).

107443 is an equidigital number, since it uses as much as digits as its factorization.

107443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15356.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 107443 is about 327.7849905044. The cubic root of 107443 is about 47.5400216715.

The spelling of 107443 in words is "one hundred seven thousand, four hundred forty-three", and thus it is an iban number.