111297343 has 4 divisors (see below), whose sum is σ = 111775248. Its totient is φ = 110819440.

The previous prime is 111297341. The next prime is 111297349. The reversal of 111297343 is 343792111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343792111 = 13 ⋅26445547.

It is a cyclic number.

It is not a de Polignac number, because 111297343 - 2¹ = 111297341 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 (111297341) 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, 238603 + ... + 239068.

It is an arithmetic number, because the mean of its divisors is an integer number (27943812).

Almost surely, 2^111297343 is an apocalyptic number.

111297343 is a deficient number, since it is larger than the sum of its proper divisors (477905).

111297343 is an equidigital number, since it uses as much as digits as its factorization.

111297343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477904.

The product of its digits is 4536, while the sum is 31.

The square root of 111297343 is about 10549.7555895860. The cubic root of 111297343 is about 481.0182997088.

The spelling of 111297343 in words is "one hundred eleven million, two hundred ninety-seven thousand, three hundred forty-three".