111383 has 4 divisors (see below), whose sum is σ = 115008. Its totient is φ = 107760.

The previous prime is 111373. The next prime is 111409. The reversal of 111383 is 383111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383111 = 23 ⋅16657.

It is a cyclic number.

It is not a de Polignac number, because 111383 - 2⁸ = 111127 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111323) 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, 1766 + ... + 1827.

It is an arithmetic number, because the mean of its divisors is an integer number (28752).

2¹¹¹³⁸³ is an apocalyptic number.

111383 is a deficient number, since it is larger than the sum of its proper divisors (3625).

111383 is an equidigital number, since it uses as much as digits as its factorization.

111383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624.

The product of its digits is 72, while the sum is 17.

The square root of 111383 is about 333.7409174794. The cubic root of 111383 is about 48.1141668988.

Adding to 111383 its reverse (383111), we get a palindrome (494494).

It can be divided in two parts, 111 and 383, that added together give a palindrome (494).

The spelling of 111383 in words is "one hundred eleven thousand, three hundred eighty-three".