23331131209 has 8 divisors (see below), whose sum is σ = 23831964288. Its totient is φ = 22830482640.

The previous prime is 23331131171. The next prime is 23331131231. The reversal of 23331131209 is 90213113332.

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 23331131209 - 2⁷ = 23331131081 is a prime.

It is a super-4 number, since 4×23331131209⁴ (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 (23331131269) 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, 226594 + ... + 313060.

It is an arithmetic number, because the mean of its divisors is an integer number (2978995536).

Almost surely, 2^23331131209 is an apocalyptic number.

It is an amenable number.

23331131209 is a deficient number, since it is larger than the sum of its proper divisors (500833079).

23331131209 is an equidigital number, since it uses as much as digits as its factorization.

23331131209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92255.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 23331131209 in words is "twenty-three billion, three hundred thirty-one million, one hundred thirty-one thousand, two hundred nine".