115530223 has 4 divisors (see below), whose sum is σ = 115581088. Its totient is φ = 115479360.

The previous prime is 115530199. The next prime is 115530253. The reversal of 115530223 is 322035511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115530223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115530194 and 115530203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115530253) 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, 21858 + ... + 26623.

It is an arithmetic number, because the mean of its divisors is an integer number (28895272).

Almost surely, 2^115530223 is an apocalyptic number.

115530223 is a deficient number, since it is larger than the sum of its proper divisors (50865).

115530223 is an equidigital number, since it uses as much as digits as its factorization.

115530223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50864.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 115530223 is about 10748.4986393449. The cubic root of 115530223 is about 487.0406427296.

Adding to 115530223 its reverse (322035511), we get a palindrome (437565734).

The spelling of 115530223 in words is "one hundred fifteen million, five hundred thirty thousand, two hundred twenty-three".