100111723 has 4 divisors (see below), whose sum is σ = 101379040. Its totient is φ = 98844408.

The previous prime is 100111721. The next prime is 100111733. The reversal of 100111723 is 327111001.

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 100111723 - 2¹ = 100111721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100111697 and 100111706.

It is not an unprimeable number, because it can be changed into a prime (100111721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633540 + ... + 633697.

It is an arithmetic number, because the mean of its divisors is an integer number (25344760).

Almost surely, 2^100111723 is an apocalyptic number.

100111723 is a deficient number, since it is larger than the sum of its proper divisors (1267317).

100111723 is an equidigital number, since it uses as much as digits as its factorization.

100111723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267316.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 100111723 is about 10005.5845906174. The cubic root of 100111723 is about 464.3316764371.

Adding to 100111723 its reverse (327111001), we get a palindrome (427222724).

The spelling of 100111723 in words is "one hundred million, one hundred eleven thousand, seven hundred twenty-three".