111100123223 has 16 divisors (see below), whose sum is σ = 116694950400. Its totient is φ = 105661080000.

The previous prime is 111100123217. The next prime is 111100123237. The reversal of 111100123223 is 322321001111.

It is a cyclic number.

It is not a de Polignac number, because 111100123223 - 2⁶ = 111100123159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100123723) 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, 368828 + ... + 598526.

It is an arithmetic number, because the mean of its divisors is an integer number (7293434400).

Almost surely, 2^111100123223 is an apocalyptic number.

111100123223 is a deficient number, since it is larger than the sum of its proper divisors (5594827177).

111100123223 is a wasteful number, since it uses less digits than its factorization.

111100123223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230038.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111100123223 its reverse (322321001111), we get a palindrome (433421124334).

The spelling of 111100123223 in words is "one hundred eleven billion, one hundred million, one hundred twenty-three thousand, two hundred twenty-three".