101043443 has 4 divisors (see below), whose sum is σ = 101307648. Its totient is φ = 100779240.

The previous prime is 101043419. The next prime is 101043451. The reversal of 101043443 is 344340101.

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 101043443 - 2⁶ = 101043379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101043403) 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, 131528 + ... + 132293.

It is an arithmetic number, because the mean of its divisors is an integer number (25326912).

Almost surely, 2^101043443 is an apocalyptic number.

101043443 is a deficient number, since it is larger than the sum of its proper divisors (264205).

101043443 is an equidigital number, since it uses as much as digits as its factorization.

101043443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264204.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 101043443 is about 10052.0367587867. The cubic root of 101043443 is about 465.7677116596.

Adding to 101043443 its reverse (344340101), we get a palindrome (445383544).

The spelling of 101043443 in words is "one hundred one million, forty-three thousand, four hundred forty-three".