111203983 has 4 divisors (see below), whose sum is σ = 121313448. Its totient is φ = 101094520.

The previous prime is 111203971. The next prime is 111203993. The reversal of 111203983 is 389302111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111203983 - 2⁹ = 111203471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111203933) 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, 5054716 + ... + 5054737.

It is an arithmetic number, because the mean of its divisors is an integer number (30328362).

Almost surely, 2^111203983 is an apocalyptic number.

111203983 is a deficient number, since it is larger than the sum of its proper divisors (10109465).

111203983 is a wasteful number, since it uses less digits than its factorization.

111203983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10109464.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 111203983 is about 10545.3299142322. The cubic root of 111203983 is about 480.8837639093.

The spelling of 111203983 in words is "one hundred eleven million, two hundred three thousand, nine hundred eighty-three".