115543430131023 has 40 divisors (see below), whose sum is σ = 180107802106848. Its totient is φ = 73679272482816.

The previous prime is 115543430131007. The next prime is 115543430131037. The reversal of 115543430131023 is 320131034345511.

115543430131023 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 4 + 34 + 301 + 310 + 2 + 3 = 666.

It is not a de Polignac number, because 115543430131023 - 2⁴ = 115543430131007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115543430131043) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 411196911 + ... + 411477807.

Almost surely, 2^{115543430131023} is an apocalyptic number.

115543430131023 is a deficient number, since it is larger than the sum of its proper divisors (64564371975825).

115543430131023 is a wasteful number, since it uses less digits than its factorization.

115543430131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501725 (or 501716 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 115543430131023 its reverse (320131034345511), we get a palindrome (435674464476534).

The spelling of 115543430131023 in words is "one hundred fifteen trillion, five hundred forty-three billion, four hundred thirty million, one hundred thirty-one thousand, twenty-three".