115240223 has 8 divisors (see below), whose sum is σ = 133370880. Its totient is φ = 97526520.

The previous prime is 115240219. The next prime is 115240231. The reversal of 115240223 is 322042511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115240223 - 2² = 115240219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115240195 and 115240204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115240243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103643 + ... + 104748.

It is an arithmetic number, because the mean of its divisors is an integer number (16671360).

Almost surely, 2^115240223 is an apocalyptic number.

115240223 is a deficient number, since it is larger than the sum of its proper divisors (18130657).

115240223 is an equidigital number, since it uses as much as digits as its factorization.

115240223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208477.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 115240223 is about 10734.9999068468. Note that the first 4 decimals coincide. The cubic root of 115240223 is about 486.6327837068.

Adding to 115240223 its reverse (322042511), we get a palindrome (437282734).

The spelling of 115240223 in words is "one hundred fifteen million, two hundred forty thousand, two hundred twenty-three".