234320009909 has 2 divisors, whose sum is σ = 234320009910. Its totient is φ = 234320009908.

The previous prime is 234320009887. The next prime is 234320009921. The reversal of 234320009909 is 909900023432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224015729809 + 10304280100 = 473303^2 + 101510^2 .

It is a cyclic number.

It is not a de Polignac number, because 234320009909 - 2²⁰ = 234318961333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234320009929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117160004954 + 117160004955.

It is an arithmetic number, because the mean of its divisors is an integer number (117160004955).

Almost surely, 2^234320009909 is an apocalyptic number.

It is an amenable number.

234320009909 is a deficient number, since it is larger than the sum of its proper divisors (1).

234320009909 is an equidigital number, since it uses as much as digits as its factorization.

234320009909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 41.

The spelling of 234320009909 in words is "two hundred thirty-four billion, three hundred twenty million, nine thousand, nine hundred nine".