100432443 has 4 divisors (see below), whose sum is σ = 133909928. Its totient is φ = 66954960.

The previous prime is 100432441. The next prime is 100432457. The reversal of 100432443 is 344234001.

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

It is not a de Polignac number, because 100432443 - 2¹ = 100432441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100432441) 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, 16738738 + ... + 16738743.

It is an arithmetic number, because the mean of its divisors is an integer number (33477482).

Almost surely, 2^100432443 is an apocalyptic number.

100432443 is a deficient number, since it is larger than the sum of its proper divisors (33477485).

100432443 is an equidigital number, since it uses as much as digits as its factorization.

100432443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33477484.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 100432443 is about 10021.5988245389. The cubic root of 100432443 is about 464.8269954168.

Adding to 100432443 its reverse (344234001), we get a palindrome (444666444).

The spelling of 100432443 in words is "one hundred million, four hundred thirty-two thousand, four hundred forty-three".