115323661 has 4 divisors (see below), whose sum is σ = 115441024. Its totient is φ = 115206300.

The previous prime is 115323653. The next prime is 115323671. The reversal of 115323661 is 166323511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115323661 - 2³ = 115323653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115323671) 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, 57195 + ... + 59176.

It is an arithmetic number, because the mean of its divisors is an integer number (28860256).

Almost surely, 2^115323661 is an apocalyptic number.

It is an amenable number.

115323661 is a deficient number, since it is larger than the sum of its proper divisors (117363).

115323661 is an equidigital number, since it uses as much as digits as its factorization.

115323661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117362.

The product of its digits is 3240, while the sum is 28.

The square root of 115323661 is about 10738.8854635851. The cubic root of 115323661 is about 486.7502018258.

The spelling of 115323661 in words is "one hundred fifteen million, three hundred twenty-three thousand, six hundred sixty-one".