115220323 has 4 divisors (see below), whose sum is σ = 115247448. Its totient is φ = 115193200.

The previous prime is 115220311. The next prime is 115220341. The reversal of 115220323 is 323022511.

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-115220323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115220323.

It is not an unprimeable number, because it can be changed into a prime (115220423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5653 + ... + 16198.

It is an arithmetic number, because the mean of its divisors is an integer number (28811862).

Almost surely, 2^115220323 is an apocalyptic number.

115220323 is a deficient number, since it is larger than the sum of its proper divisors (27125).

115220323 is an equidigital number, since it uses as much as digits as its factorization.

115220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27124.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 115220323 is about 10734.0729921125. The cubic root of 115220323 is about 486.6047710632.

Adding to 115220323 its reverse (323022511), we get a palindrome (438242834).

The spelling of 115220323 in words is "one hundred fifteen million, two hundred twenty thousand, three hundred twenty-three".