111213023 has 8 divisors (see below), whose sum is σ = 117329520. Its totient is φ = 105122880.

The previous prime is 111213017. The next prime is 111213041. The reversal of 111213023 is 320312111.

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

It is a cyclic number.

It is not a de Polignac number, because 111213023 - 2¹⁰ = 111211999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111212989 and 111213007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111213013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2411 + ... + 15107.

It is an arithmetic number, because the mean of its divisors is an integer number (14666190).

Almost surely, 2^111213023 is an apocalyptic number.

111213023 is a deficient number, since it is larger than the sum of its proper divisors (6116497).

111213023 is a wasteful number, since it uses less digits than its factorization.

111213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13177.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 111213023 is about 10545.7585312769. The cubic root of 111213023 is about 480.8967942322.

Adding to 111213023 its reverse (320312111), we get a palindrome (431525134).

The spelling of 111213023 in words is "one hundred eleven million, two hundred thirteen thousand, twenty-three".