115344321 has 16 divisors (see below), whose sum is σ = 156254208. Its totient is φ = 75675600.

The previous prime is 115344301. The next prime is 115344329. The reversal of 115344321 is 123443511.

It is a happy number.

It is not a de Polignac number, because 115344321 - 2¹⁰ = 115343297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115344291 and 115344300.

It is not an unprimeable number, because it can be changed into a prime (115344329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48756 + ... + 51066.

It is an arithmetic number, because the mean of its divisors is an integer number (9765888).

Almost surely, 2^115344321 is an apocalyptic number.

It is an amenable number.

115344321 is a deficient number, since it is larger than the sum of its proper divisors (40909887).

115344321 is a wasteful number, since it uses less digits than its factorization.

115344321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572.

The product of its digits is 1440, while the sum is 24.

The square root of 115344321 is about 10739.8473452838. The cubic root of 115344321 is about 486.7792668607.

Adding to 115344321 its reverse (123443511), we get a palindrome (238787832).

The spelling of 115344321 in words is "one hundred fifteen million, three hundred forty-four thousand, three hundred twenty-one".