100423869 has 16 divisors (see below), whose sum is σ = 164798592. Its totient is φ = 52970688.

The previous prime is 100423861. The next prime is 100423871. The reversal of 100423869 is 968324001.

It is not a de Polignac number, because 100423869 - 2³ = 100423861 is a prime.

It is a super-2 number, since 2×100423869² = 20169906929858322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100423861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183654 + ... + 184199.

It is an arithmetic number, because the mean of its divisors is an integer number (10299912).

Almost surely, 2^100423869 is an apocalyptic number.

It is an amenable number.

100423869 is a deficient number, since it is larger than the sum of its proper divisors (64374723).

100423869 is a wasteful number, since it uses less digits than its factorization.

100423869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367876.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 100423869 is about 10021.1710393546. The cubic root of 100423869 is about 464.8137674865.

The spelling of 100423869 in words is "one hundred million, four hundred twenty-three thousand, eight hundred sixty-nine".