111211232343 has 4 divisors (see below), whose sum is σ = 148281643128. Its totient is φ = 74140821560.

The previous prime is 111211232323. The next prime is 111211232381. The reversal of 111211232343 is 343232112111.

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 111211232343 - 2²⁵ = 111177677911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211232303) 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, 18535205388 + ... + 18535205393.

It is an arithmetic number, because the mean of its divisors is an integer number (37070410782).

Almost surely, 2^111211232343 is an apocalyptic number.

111211232343 is a deficient number, since it is larger than the sum of its proper divisors (37070410785).

111211232343 is an equidigital number, since it uses as much as digits as its factorization.

111211232343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37070410784.

The product of its digits is 864, while the sum is 24.

Adding to 111211232343 its reverse (343232112111), we get a palindrome (454443344454).

The spelling of 111211232343 in words is "one hundred eleven billion, two hundred eleven million, two hundred thirty-two thousand, three hundred forty-three".