115531423 has 8 divisors (see below), whose sum is σ = 132619392. Its totient is φ = 98589336.

The previous prime is 115531421. The next prime is 115531441. The reversal of 115531423 is 324135511.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 115531423 - 2¹ = 115531421 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 (115531421) 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, 34765 + ... + 37942.

It is an arithmetic number, because the mean of its divisors is an integer number (16577424).

Almost surely, 2^115531423 is an apocalyptic number.

115531423 is a deficient number, since it is larger than the sum of its proper divisors (17087969).

115531423 is an equidigital number, since it uses as much as digits as its factorization.

115531423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72941.

The product of its digits is 1800, while the sum is 25.

The square root of 115531423 is about 10748.5544609496. The cubic root of 115531423 is about 487.0423290033.

Adding to 115531423 its reverse (324135511), we get a palindrome (439666934).

The spelling of 115531423 in words is "one hundred fifteen million, five hundred thirty-one thousand, four hundred twenty-three".