2115115456423 has 8 divisors (see below), whose sum is σ = 2138926834800. Its totient is φ = 2091305101248.

The previous prime is 2115115456387. The next prime is 2115115456429. The reversal of 2115115456423 is 3246545115112.

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 2115115456423 - 2³³ = 2106525521831 is a prime.

It is a super-2 number, since 2×2115115456423² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115115456429) 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, 4369873 + ... + 4829701.

It is an arithmetic number, because the mean of its divisors is an integer number (267365854350).

Almost surely, 2^{2115115456423} is an apocalyptic number.

2115115456423 is a deficient number, since it is larger than the sum of its proper divisors (23811378377).

2115115456423 is an equidigital number, since it uses as much as digits as its factorization.

2115115456423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511601.

The product of its digits is 144000, while the sum is 40.

The spelling of 2115115456423 in words is "two trillion, one hundred fifteen billion, one hundred fifteen million, four hundred fifty-six thousand, four hundred twenty-three".