115240515423 has 16 divisors (see below), whose sum is σ = 167631154176. Its totient is φ = 69839159040.

The previous prime is 115240515419. The next prime is 115240515427. The reversal of 115240515423 is 324515042511.

It is an interprime number because it is at equal distance from previous prime (115240515419) and next prime (115240515427).

It is not a de Polignac number, because 115240515423 - 2² = 115240515419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115240515427) 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, 657711 + ... + 814287.

It is an arithmetic number, because the mean of its divisors is an integer number (10476947136).

Almost surely, 2^115240515423 is an apocalyptic number.

115240515423 is a deficient number, since it is larger than the sum of its proper divisors (52390638753).

115240515423 is a wasteful number, since it uses less digits than its factorization.

115240515423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178894.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 115240515423 its reverse (324515042511), we get a palindrome (439755557934).

The spelling of 115240515423 in words is "one hundred fifteen billion, two hundred forty million, five hundred fifteen thousand, four hundred twenty-three".