115123 has 2 divisors, whose sum is σ = 115124. Its totient is φ = 115122.

The previous prime is 115117. The next prime is 115127. The reversal of 115123 is 321511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115123 is a prime.

It is not a weakly prime, because it can be changed into another prime (115127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57561 + 57562.

It is an arithmetic number, because the mean of its divisors is an integer number (57562).

2¹¹⁵¹²³ is an apocalyptic number.

115123 is a deficient number, since it is larger than the sum of its proper divisors (1).

115123 is an equidigital number, since it uses as much as digits as its factorization.

115123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30, while the sum is 13.

The square root of 115123 is about 339.2978042959. The cubic root of 115123 is about 48.6467725864.

Adding to 115123 its reverse (321511), we get a palindrome (436634).

The spelling of 115123 in words is "one hundred fifteen thousand, one hundred twenty-three".