23613821678161 has 16 divisors (see below), whose sum is σ = 27747974399040. Its totient is φ = 19811607117120.

The previous prime is 23613821678113. The next prime is 23613821678179. The reversal of 23613821678161 is 16187612831632.

It is not a de Polignac number, because 23613821678161 - 2³¹ = 23611674194513 is a prime.

It is a super-2 number, since 2×23613821678161² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23613821678101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16767891 + ... + 18121528.

It is an arithmetic number, because the mean of its divisors is an integer number (1734248399940).

Almost surely, 2^{23613821678161} is an apocalyptic number.

It is an amenable number.

23613821678161 is a deficient number, since it is larger than the sum of its proper divisors (4134152720879).

23613821678161 is a wasteful number, since it uses less digits than its factorization.

23613821678161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34894176.

The product of its digits is 3483648, while the sum is 55.

The spelling of 23613821678161 in words is "twenty-three trillion, six hundred thirteen billion, eight hundred twenty-one million, six hundred seventy-eight thousand, one hundred sixty-one".