100326423543 has 16 divisors (see below), whose sum is σ = 134069760000. Its totient is φ = 66733752960.

The previous prime is 100326423529. The next prime is 100326423607. The reversal of 100326423543 is 345324623001.

It is a happy number.

It is not a de Polignac number, because 100326423543 - 2⁹ = 100326423031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100326423443) 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, 10532623 + ... + 10542143.

It is an arithmetic number, because the mean of its divisors is an integer number (8379360000).

Almost surely, 2^100326423543 is an apocalyptic number.

100326423543 is a deficient number, since it is larger than the sum of its proper divisors (33743336457).

100326423543 is an equidigital number, since it uses as much as digits as its factorization.

100326423543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17062.

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 100326423543 in words is "one hundred billion, three hundred twenty-six million, four hundred twenty-three thousand, five hundred forty-three".