111312323 has 4 divisors (see below), whose sum is σ = 111378288. Its totient is φ = 111246360.

The previous prime is 111312307. The next prime is 111312361. The reversal of 111312323 is 323213111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323213111 = 13 ⋅24862547.

It is a cyclic number.

It is not a de Polignac number, because 111312323 - 2⁴ = 111312307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111312023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30383 + ... + 33848.

It is an arithmetic number, because the mean of its divisors is an integer number (27844572).

Almost surely, 2^111312323 is an apocalyptic number.

111312323 is a deficient number, since it is larger than the sum of its proper divisors (65965).

111312323 is an equidigital number, since it uses as much as digits as its factorization.

111312323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65964.

The product of its digits is 108, while the sum is 17.

The square root of 111312323 is about 10550.4655347525. The cubic root of 111312323 is about 481.0398795317.

Adding to 111312323 its reverse (323213111), we get a palindrome (434525434).

The spelling of 111312323 in words is "one hundred eleven million, three hundred twelve thousand, three hundred twenty-three".