100435563423 has 48 divisors (see below), whose sum is σ = 165578212800. Its totient is φ = 58116344832.

The previous prime is 100435563413. The next prime is 100435563479. The reversal of 100435563423 is 324365534001.

100435563423 is a `hidden beast` number, since 10 + 0 + 4 + 3 + 5 + 5 + 634 + 2 + 3 = 666.

It is not a de Polignac number, because 100435563423 - 2⁵ = 100435563391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100435563413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2150878 + ... + 2197076.

It is an arithmetic number, because the mean of its divisors is an integer number (3449546100).

Almost surely, 2^100435563423 is an apocalyptic number.

100435563423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100435563423 is a deficient number, since it is larger than the sum of its proper divisors (65142649377).

100435563423 is a wasteful number, since it uses less digits than its factorization.

100435563423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47328 (or 47325 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 100435563423 in words is "one hundred billion, four hundred thirty-five million, five hundred sixty-three thousand, four hundred twenty-three".