100424123443 has 64 divisors (see below), whose sum is σ = 128657203200. Its totient is φ = 77999846400.

The previous prime is 100424123431. The next prime is 100424123549. The reversal of 100424123443 is 344321424001.

It is not a de Polignac number, because 100424123443 - 2¹⁷ = 100423992371 is a prime.

It is a super-3 number, since 3×100424123443³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100424123243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38139255 + ... + 38141887.

It is an arithmetic number, because the mean of its divisors is an integer number (2010268800).

Almost surely, 2^100424123443 is an apocalyptic number.

100424123443 is a deficient number, since it is larger than the sum of its proper divisors (28233079757).

100424123443 is a wasteful number, since it uses less digits than its factorization.

100424123443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913 (or 2899 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 100424123443 its reverse (344321424001), we get a palindrome (444745547444).

The spelling of 100424123443 in words is "one hundred billion, four hundred twenty-four million, one hundred twenty-three thousand, four hundred forty-three".