100434023 has 2 divisors, whose sum is σ = 100434024. Its totient is φ = 100434022.

The previous prime is 100434007. The next prime is 100434041. The reversal of 100434023 is 320434001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100434023 - 2⁴ = 100434007 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 100433992 and 100434010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100434053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50217011 + 50217012.

It is an arithmetic number, because the mean of its divisors is an integer number (50217012).

Almost surely, 2^100434023 is an apocalyptic number.

100434023 is a deficient number, since it is larger than the sum of its proper divisors (1).

100434023 is an equidigital number, since it uses as much as digits as its factorization.

100434023 is an evil number, because the sum of its binary digits is even.

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

The square root of 100434023 is about 10021.6776539659. The cubic root of 100434023 is about 464.8294329519.

Adding to 100434023 its reverse (320434001), we get a palindrome (420868024).

The spelling of 100434023 in words is "one hundred million, four hundred thirty-four thousand, twenty-three".