111323 has 2 divisors, whose sum is σ = 111324. Its totient is φ = 111322.

The previous prime is 111317. The next prime is 111337. The reversal of 111323 is 323111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111323 - 2¹² = 107227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (111373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55661 + 55662.

It is an arithmetic number, because the mean of its divisors is an integer number (55662).

2¹¹¹³²³ is an apocalyptic number.

111323 is a deficient number, since it is larger than the sum of its proper divisors (1).

111323 is an equidigital number, since it uses as much as digits as its factorization.

111323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18, while the sum is 11.

The square root of 111323 is about 333.6510152839. The cubic root of 111323 is about 48.1055259376.

Adding to 111323 its reverse (323111), we get a palindrome (434434).

It can be divided in two parts, 111 and 323, that multiplied together give a palindrome (35853).

The spelling of 111323 in words is "one hundred eleven thousand, three hundred twenty-three", and thus it is an iban number.