111112311023 has 8 divisors (see below), whose sum is σ = 126987669120. Its totient is φ = 95237495640.

The previous prime is 111112311001. The next prime is 111112311041. The reversal of 111112311023 is 320113211111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111112311023 - 2¹⁰ = 111112309999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111112310992 and 111112311010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111112311043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504308 + ... + 690326.

It is an arithmetic number, because the mean of its divisors is an integer number (15873458640).

Almost surely, 2^111112311023 is an apocalyptic number.

111112311023 is a deficient number, since it is larger than the sum of its proper divisors (15875358097).

111112311023 is an equidigital number, since it uses as much as digits as its factorization.

111112311023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271357.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111112311023 its reverse (320113211111), we get a palindrome (431225522134).

The spelling of 111112311023 in words is "one hundred eleven billion, one hundred twelve million, three hundred eleven thousand, twenty-three".