23308791211 has 4 divisors (see below), whose sum is σ = 23539571424. Its totient is φ = 23078011000.

The previous prime is 23308791199. The next prime is 23308791217. The reversal of 23308791211 is 11219780332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23308791211 - 2⁵ = 23308791179 is a prime.

It is a super-4 number, since 4×23308791211⁴ (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23308791217) 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 3 ways as a sum of consecutive naturals, for example, 115389955 + ... + 115390156.

It is an arithmetic number, because the mean of its divisors is an integer number (5884892856).

Almost surely, 2^23308791211 is an apocalyptic number.

23308791211 is a deficient number, since it is larger than the sum of its proper divisors (230780213).

23308791211 is a wasteful number, since it uses less digits than its factorization.

23308791211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230780212.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 23308791211 in words is "twenty-three billion, three hundred eight million, seven hundred ninety-one thousand, two hundred eleven".