23211011189 has 2 divisors, whose sum is σ = 23211011190. Its totient is φ = 23211011188.

The previous prime is 23211011123. The next prime is 23211011233. The reversal of 23211011189 is 98111011232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20998908100 + 2212103089 = 144910^2 + 47033^2 .

It is a cyclic number.

It is not a de Polignac number, because 23211011189 - 2²⁰ = 23209962613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23211011689) 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 as a sum of consecutive naturals, namely, 11605505594 + 11605505595.

It is an arithmetic number, because the mean of its divisors is an integer number (11605505595).

Almost surely, 2^23211011189 is an apocalyptic number.

It is an amenable number.

23211011189 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211011189 is an equidigital number, since it uses as much as digits as its factorization.

23211011189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 29.

The spelling of 23211011189 in words is "twenty-three billion, two hundred eleven million, eleven thousand, one hundred eighty-nine".