100433 has 4 divisors (see below), whose sum is σ = 102000. Its totient is φ = 98868.

The previous prime is 100417. The next prime is 100447. The reversal of 100433 is 334001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 334001 = 19 ⋅17579.

It is a cyclic number.

It is not a de Polignac number, because 100433 - 2⁴ = 100417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100403) 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, 683 + ... + 816.

It is an arithmetic number, because the mean of its divisors is an integer number (25500).

2¹⁰⁰⁴³³ is an apocalyptic number.

It is an amenable number.

100433 is a deficient number, since it is larger than the sum of its proper divisors (1567).

100433 is an equidigital number, since it uses as much as digits as its factorization.

100433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 100433 is about 316.9116596151. The cubic root of 100433 is about 46.4827854728.

Adding to 100433 its reverse (334001), we get a palindrome (434434).

The spelling of 100433 in words is "one hundred thousand, four hundred thirty-three".