111000100023 has 12 divisors (see below), whose sum is σ = 160336508280. Its totient is φ = 73998668016.

The previous prime is 111000100019. The next prime is 111000100027. The reversal of 111000100023 is 320001000111.

It is an interprime number because it is at equal distance from previous prime (111000100019) and next prime (111000100027).

It is not a de Polignac number, because 111000100023 - 2² = 111000100019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 111000099978 and 111000100014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000100027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 654588 + ... + 806526.

It is an arithmetic number, because the mean of its divisors is an integer number (13361375690).

Almost surely, 2^111000100023 is an apocalyptic number.

111000100023 is a deficient number, since it is larger than the sum of its proper divisors (49336408257).

111000100023 is a wasteful number, since it uses less digits than its factorization.

111000100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233118 (or 233115 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 111000100023 its reverse (320001000111), we get a palindrome (431001100134).

The spelling of 111000100023 in words is "one hundred eleven billion, one hundred thousand, twenty-three".