100405322403 has 16 divisors (see below), whose sum is σ = 135253449216. Its totient is φ = 66247570400.

The previous prime is 100405322387. The next prime is 100405322417. The reversal of 100405322403 is 304223504001.

It is a cyclic number.

It is not a de Polignac number, because 100405322403 - 2⁴ = 100405322387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100405322443) 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 15 ways as a sum of consecutive naturals, for example, 705376 + ... + 835682.

It is an arithmetic number, because the mean of its divisors is an integer number (8453340576).

Almost surely, 2^100405322403 is an apocalyptic number.

100405322403 is a deficient number, since it is larger than the sum of its proper divisors (34848126813).

100405322403 is a wasteful number, since it uses less digits than its factorization.

100405322403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132954.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 100405322403 its reverse (304223504001), we get a palindrome (404628826404).

The spelling of 100405322403 in words is "one hundred billion, four hundred five million, three hundred twenty-two thousand, four hundred three".