133423214209 has 2 divisors, whose sum is σ = 133423214210. Its totient is φ = 133423214208.

The previous prime is 133423214201. The next prime is 133423214213. The reversal of 133423214209 is 902412324331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119182371984 + 14240842225 = 345228^2 + 119335^2 .

It is a cyclic number.

It is not a de Polignac number, because 133423214209 - 2³ = 133423214201 is a prime.

It is not a weakly prime, because it can be changed into another prime (133423214201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66711607104 + 66711607105.

It is an arithmetic number, because the mean of its divisors is an integer number (66711607105).

Almost surely, 2^133423214209 is an apocalyptic number.

It is an amenable number.

133423214209 is a deficient number, since it is larger than the sum of its proper divisors (1).

133423214209 is an equidigital number, since it uses as much as digits as its factorization.

133423214209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 133423214209 in words is "one hundred thirty-three billion, four hundred twenty-three million, two hundred fourteen thousand, two hundred nine".