111121323 has 8 divisors (see below), whose sum is σ = 152166288. Its totient is φ = 72078624.

The previous prime is 111121289. The next prime is 111121327. The reversal of 111121323 is 323121111.

It is a happy number.

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

It is not a de Polignac number, because 111121323 - 2⁸ = 111121067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111121327) 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, 500436 + ... + 500657.

It is an arithmetic number, because the mean of its divisors is an integer number (19020786).

Almost surely, 2^111121323 is an apocalyptic number.

111121323 is a deficient number, since it is larger than the sum of its proper divisors (41044965).

111121323 is a wasteful number, since it uses less digits than its factorization.

111121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001133.

The product of its digits is 36, while the sum is 15.

The square root of 111121323 is about 10541.4099151869. The cubic root of 111121323 is about 480.7645844103.

Adding to 111121323 its reverse (323121111), we get a palindrome (434242434).

The spelling of 111121323 in words is "one hundred eleven million, one hundred twenty-one thousand, three hundred twenty-three".