100432423 has 32 divisors (see below), whose sum is σ = 134668800. Its totient is φ = 72648576.

The previous prime is 100432417. The next prime is 100432433. The reversal of 100432423 is 324234001.

It is not a de Polignac number, because 100432423 - 2¹⁷ = 100301351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 100432423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100432433) 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 31 ways as a sum of consecutive naturals, for example, 49140 + ... + 51142.

It is an arithmetic number, because the mean of its divisors is an integer number (4208400).

Almost surely, 2^100432423 is an apocalyptic number.

100432423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100432423 is a deficient number, since it is larger than the sum of its proper divisors (34236377).

100432423 is a wasteful number, since it uses less digits than its factorization.

100432423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 100432423 is about 10021.5978266941. The cubic root of 100432423 is about 464.8269645618.

Adding to 100432423 its reverse (324234001), we get a palindrome (424666424).

The spelling of 100432423 in words is "one hundred million, four hundred thirty-two thousand, four hundred twenty-three".