111403343 has 2 divisors, whose sum is σ = 111403344. Its totient is φ = 111403342.

The previous prime is 111403339. The next prime is 111403349. The reversal of 111403343 is 343304111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111403343 - 2² = 111403339 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111403349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55701671 + 55701672.

It is an arithmetic number, because the mean of its divisors is an integer number (55701672).

Almost surely, 2^111403343 is an apocalyptic number.

111403343 is a deficient number, since it is larger than the sum of its proper divisors (1).

111403343 is an equidigital number, since it uses as much as digits as its factorization.

111403343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 111403343 is about 10554.7782070492. The cubic root of 111403343 is about 481.1709591222.

Adding to 111403343 its reverse (343304111), we get a palindrome (454707454).

The spelling of 111403343 in words is "one hundred eleven million, four hundred three thousand, three hundred forty-three".