100863923 has 8 divisors (see below), whose sum is σ = 102087456. Its totient is φ = 99648000.

The previous prime is 100863869. The next prime is 100863979. The reversal of 100863923 is 329368001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100863923 - 2⁶ = 100863859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100863923.

It is not an unprimeable number, because it can be changed into a prime (100863223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27413 + ... + 30873.

It is an arithmetic number, because the mean of its divisors is an integer number (12760932).

Almost surely, 2^100863923 is an apocalyptic number.

100863923 is a deficient number, since it is larger than the sum of its proper divisors (1223533).

100863923 is a wasteful number, since it uses less digits than its factorization.

100863923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 100863923 is about 10043.1032554684. The cubic root of 100863923 is about 465.4917109469.

The spelling of 100863923 in words is "one hundred million, eight hundred sixty-three thousand, nine hundred twenty-three".