23211100213009 has 4 divisors (see below), whose sum is σ = 23238184344804. Its totient is φ = 23184016081216.

The previous prime is 23211100212997. The next prime is 23211100213019. The reversal of 23211100213009 is 90031200111232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22377251811600 + 833848401409 = 4730460^2 + 913153^2 .

It is a cyclic number.

It is not a de Polignac number, because 23211100213009 - 2¹⁵ = 23211100180241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23211100213019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13542064612 + ... + 13542066325.

It is an arithmetic number, because the mean of its divisors is an integer number (5809546086201).

Almost surely, 2^{23211100213009} is an apocalyptic number.

It is an amenable number.

23211100213009 is a deficient number, since it is larger than the sum of its proper divisors (27084131795).

23211100213009 is an equidigital number, since it uses as much as digits as its factorization.

23211100213009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27084131794.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 23211100213009 in words is "twenty-three trillion, two hundred eleven billion, one hundred million, two hundred thirteen thousand, nine".