234204053205209 has 2 divisors, whose sum is σ = 234204053205210. Its totient is φ = 234204053205208.

The previous prime is 234204053205137. The next prime is 234204053205217. The reversal of 234204053205209 is 902502350402432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217351714579609 + 16852338625600 = 14742853^2 + 4105160^2 .

It is a cyclic number.

It is not a de Polignac number, because 234204053205209 - 2²⁴ = 234204036427993 is a prime.

It is a super-3 number, since 3×234204053205209³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (234204053205299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117102026602604 + 117102026602605.

It is an arithmetic number, because the mean of its divisors is an integer number (117102026602605).

Almost surely, 2^{234204053205209} is an apocalyptic number.

It is an amenable number.

234204053205209 is a deficient number, since it is larger than the sum of its proper divisors (1).

234204053205209 is an equidigital number, since it uses as much as digits as its factorization.

234204053205209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 234204053205209 in words is "two hundred thirty-four trillion, two hundred four billion, fifty-three million, two hundred five thousand, two hundred nine".