111143323 has 2 divisors, whose sum is σ = 111143324. Its totient is φ = 111143322.

The previous prime is 111143317. The next prime is 111143363. The reversal of 111143323 is 323341111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111143323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111143323.

It is not a weakly prime, because it can be changed into another prime (111143363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55571661 + 55571662.

It is an arithmetic number, because the mean of its divisors is an integer number (55571662).

Almost surely, 2^111143323 is an apocalyptic number.

111143323 is a deficient number, since it is larger than the sum of its proper divisors (1).

111143323 is an equidigital number, since it uses as much as digits as its factorization.

111143323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 111143323 is about 10542.4533672196. The cubic root of 111143323 is about 480.7963098633.

Adding to 111143323 its reverse (323341111), we get a palindrome (434484434).

The spelling of 111143323 in words is "one hundred eleven million, one hundred forty-three thousand, three hundred twenty-three".