115663723 has 4 divisors (see below), whose sum is σ = 132187120. Its totient is φ = 99140328.

The previous prime is 115663721. The next prime is 115663727. The reversal of 115663723 is 327366511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327366511 = 131 ⋅2498981.

It is not a de Polignac number, because 115663723 - 2¹ = 115663721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115663721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8261688 + ... + 8261701.

It is an arithmetic number, because the mean of its divisors is an integer number (33046780).

Almost surely, 2^115663723 is an apocalyptic number.

115663723 is a deficient number, since it is larger than the sum of its proper divisors (16523397).

115663723 is an equidigital number, since it uses as much as digits as its factorization.

115663723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16523396.

The product of its digits is 22680, while the sum is 34.

The square root of 115663723 is about 10754.7070160000. The cubic root of 115663723 is about 487.2281691210.

The spelling of 115663723 in words is "one hundred fifteen million, six hundred sixty-three thousand, seven hundred twenty-three".