23943091161 has 16 divisors (see below), whose sum is σ = 35483417280. Its totient is φ = 14237171520.

The previous prime is 23943091111. The next prime is 23943091181. The reversal of 23943091161 is 16119034932.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-23943091161 is a prime.

It is a super-2 number, since 2×23943091161² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23943091111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6843046 + ... + 6846543.

It is an arithmetic number, because the mean of its divisors is an integer number (2217713580).

Almost surely, 2^23943091161 is an apocalyptic number.

It is an amenable number.

23943091161 is a deficient number, since it is larger than the sum of its proper divisors (11540326119).

23943091161 is a wasteful number, since it uses less digits than its factorization.

23943091161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13689656.

The product of its (nonzero) digits is 34992, while the sum is 39.

The spelling of 23943091161 in words is "twenty-three billion, nine hundred forty-three million, ninety-one thousand, one hundred sixty-one".