100042433 has 16 divisors (see below), whose sum is σ = 111010176. Its totient is φ = 89675520.

The previous prime is 100042421. The next prime is 100042447. The reversal of 100042433 is 334240001.

It is a cyclic number.

It is not a de Polignac number, because 100042433 - 2⁴ = 100042417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100042493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129035 + ... + 129807.

It is an arithmetic number, because the mean of its divisors is an integer number (6938136).

Almost surely, 2^100042433 is an apocalyptic number.

It is an amenable number.

100042433 is a deficient number, since it is larger than the sum of its proper divisors (10967743).

100042433 is a wasteful number, since it uses less digits than its factorization.

100042433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 100042433 is about 10002.1214249778. The cubic root of 100042433 is about 464.2245262571.

Adding to 100042433 its reverse (334240001), we get a palindrome (434282434).

The spelling of 100042433 in words is "one hundred million, forty-two thousand, four hundred thirty-three".