100990118823 has 16 divisors (see below), whose sum is σ = 146972985600. Its totient is φ = 61173521280.

The previous prime is 100990118783. The next prime is 100990118837. The reversal of 100990118823 is 328811099001.

It is a de Polignac number, because none of the positive numbers 2^k-100990118823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100990118843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 752338 + ... + 876351.

It is an arithmetic number, because the mean of its divisors is an integer number (9185811600).

Almost surely, 2^100990118823 is an apocalyptic number.

100990118823 is a deficient number, since it is larger than the sum of its proper divisors (45982866777).

100990118823 is a wasteful number, since it uses less digits than its factorization.

100990118823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630582.

The product of its (nonzero) digits is 31104, while the sum is 42.

The spelling of 100990118823 in words is "one hundred billion, nine hundred ninety million, one hundred eighteen thousand, eight hundred twenty-three".