23116788909 has 8 divisors (see below), whose sum is σ = 34247094720. Its totient is φ = 15411192588.

The previous prime is 23116788901. The next prime is 23116788911. The reversal of 23116788909 is 90988761132.

It is not a de Polignac number, because 23116788909 - 2³ = 23116788901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23116788901) 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 7 ways as a sum of consecutive naturals, for example, 428088657 + ... + 428088710.

It is an arithmetic number, because the mean of its divisors is an integer number (4280886840).

Almost surely, 2^23116788909 is an apocalyptic number.

It is an amenable number.

23116788909 is a deficient number, since it is larger than the sum of its proper divisors (11130305811).

23116788909 is an equidigital number, since it uses as much as digits as its factorization.

23116788909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856177376 (or 856177370 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 23116788909 in words is "twenty-three billion, one hundred sixteen million, seven hundred eighty-eight thousand, nine hundred nine".