100108923 has 16 divisors (see below), whose sum is σ = 134946816. Its totient is φ = 66009600.

The previous prime is 100108913. The next prime is 100108927. The reversal of 100108923 is 329801001.

It is not a de Polignac number, because 100108923 - 2¹³ = 100100731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100108893 and 100108902.

It is not an unprimeable number, because it can be changed into a prime (100108927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173211 + ... + 173787.

It is an arithmetic number, because the mean of its divisors is an integer number (8434176).

Almost surely, 2^100108923 is an apocalyptic number.

100108923 is a deficient number, since it is larger than the sum of its proper divisors (34837893).

100108923 is a wasteful number, since it uses less digits than its factorization.

100108923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 100108923 is about 10005.4446677796. Note that the first 3 decimals coincide. The cubic root of 100108923 is about 464.3273474709.

Adding to 100108923 its reverse (329801001), we get a palindrome (429909924).

The spelling of 100108923 in words is "one hundred million, one hundred eight thousand, nine hundred twenty-three".