115540423 has 8 divisors (see below), whose sum is σ = 118324800. Its totient is φ = 112789248.

The previous prime is 115540393. The next prime is 115540427. The reversal of 115540423 is 324045511.

It is a happy number.

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

It is not a de Polignac number, because 115540423 - 2¹⁷ = 115409351 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 (115540427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1186 + ... + 15247.

It is an arithmetic number, because the mean of its divisors is an integer number (14790600).

Almost surely, 2^115540423 is an apocalyptic number.

115540423 is a deficient number, since it is larger than the sum of its proper divisors (2784377).

115540423 is an equidigital number, since it uses as much as digits as its factorization.

115540423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16601.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 115540423 is about 10748.9731137444. The cubic root of 115540423 is about 487.0549756843.

Adding to 115540423 its reverse (324045511), we get a palindrome (439585934).

The spelling of 115540423 in words is "one hundred fifteen million, five hundred forty thousand, four hundred twenty-three".