111341123 has 2 divisors, whose sum is σ = 111341124. Its totient is φ = 111341122.

The previous prime is 111341101. The next prime is 111341129. The reversal of 111341123 is 321143111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111341123 - 2²⁰ = 110292547 is a prime.

It is a super-5 number, since 5×111341123⁵ (a number of 41 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (111341129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55670561 + 55670562.

It is an arithmetic number, because the mean of its divisors is an integer number (55670562).

Almost surely, 2^111341123 is an apocalyptic number.

111341123 is a deficient number, since it is larger than the sum of its proper divisors (1).

111341123 is an equidigital number, since it uses as much as digits as its factorization.

111341123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 17.

The square root of 111341123 is about 10551.8303151633. The cubic root of 111341123 is about 481.0813626713.

Adding to 111341123 its reverse (321143111), we get a palindrome (432484234).

The spelling of 111341123 in words is "one hundred eleven million, three hundred forty-one thousand, one hundred twenty-three".