115723 has 4 divisors (see below), whose sum is σ = 119488. Its totient is φ = 111960.

The previous prime is 115693. The next prime is 115727. The reversal of 115723 is 327511.

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 115723 - 2⁹ = 115211 is a prime.

It is a super-3 number, since 3×115723³ = 4649222233314201, which contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 115723.

It is not an unprimeable number, because it can be changed into a prime (115727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836 + ... + 1897.

It is an arithmetic number, because the mean of its divisors is an integer number (29872).

2¹¹⁵⁷²³ is an apocalyptic number.

115723 is a deficient number, since it is larger than the sum of its proper divisors (3765).

115723 is an equidigital number, since it uses as much as digits as its factorization.

115723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764.

The product of its digits is 210, while the sum is 19.

The square root of 115723 is about 340.1808342632. The cubic root of 115723 is about 48.7311388794.

It can be divided in two parts, 11572 and 3, that multiplied together give a triangular number (34716 = T₂₆₃).

The spelling of 115723 in words is "one hundred fifteen thousand, seven hundred twenty-three".