111203343 has 12 divisors (see below), whose sum is σ = 160873128. Its totient is φ = 74022000.

The previous prime is 111203329. The next prime is 111203347. The reversal of 111203343 is 343302111.

It is not a de Polignac number, because 111203343 - 2¹⁸ = 110941199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111203347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3033 + ... + 15218.

It is an arithmetic number, because the mean of its divisors is an integer number (13406094).

Almost surely, 2^111203343 is an apocalyptic number.

111203343 is a deficient number, since it is larger than the sum of its proper divisors (49669785).

111203343 is a wasteful number, since it uses less digits than its factorization.

111203343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18934 (or 18931 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 111203343 is about 10545.2995690023. The cubic root of 111203343 is about 480.8828413818.

Adding to 111203343 its reverse (343302111), we get a palindrome (454505454).

The spelling of 111203343 in words is "one hundred eleven million, two hundred three thousand, three hundred forty-three".