111233110123 has 16 divisors (see below), whose sum is σ = 121412944800. Its totient is φ = 101503100160.

The previous prime is 111233110111. The next prime is 111233110201. The reversal of 111233110123 is 321011332111.

It is a cyclic number.

It is not a de Polignac number, because 111233110123 - 2¹⁷ = 111232979051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111233110123.

It is not an unprimeable number, because it can be changed into a prime (111233110103) 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, 7786 + ... + 471727.

It is an arithmetic number, because the mean of its divisors is an integer number (7588309050).

Almost surely, 2^111233110123 is an apocalyptic number.

111233110123 is a deficient number, since it is larger than the sum of its proper divisors (10179834677).

111233110123 is a wasteful number, since it uses less digits than its factorization.

111233110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479982.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111233110123 its reverse (321011332111), we get a palindrome (432244442234).

The spelling of 111233110123 in words is "one hundred eleven billion, two hundred thirty-three million, one hundred ten thousand, one hundred twenty-three".