101109923 has 4 divisors (see below), whose sum is σ = 101130288. Its totient is φ = 101089560.

The previous prime is 101109919. The next prime is 101109929. The reversal of 101109923 is 329901101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101109923 - 2² = 101109919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101109892 and 101109901.

It is not an unprimeable number, because it can be changed into a prime (101109929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2690 + ... + 14472.

It is an arithmetic number, because the mean of its divisors is an integer number (25282572).

Almost surely, 2^101109923 is an apocalyptic number.

101109923 is a deficient number, since it is larger than the sum of its proper divisors (20365).

101109923 is an equidigital number, since it uses as much as digits as its factorization.

101109923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20364.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 101109923 is about 10055.3430075756. The cubic root of 101109923 is about 465.8698375314.

The spelling of 101109923 in words is "one hundred one million, one hundred nine thousand, nine hundred twenty-three".