234130421009 has 2 divisors, whose sum is σ = 234130421010. Its totient is φ = 234130421008.

The previous prime is 234130420991. The next prime is 234130421011. The reversal of 234130421009 is 900124031432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162106890625 + 72023530384 = 402625^2 + 268372^2 .

It is a cyclic number.

It is not a de Polignac number, because 234130421009 - 2¹² = 234130416913 is a prime.

Together with 234130421011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (234130421209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117065210504 + 117065210505.

It is an arithmetic number, because the mean of its divisors is an integer number (117065210505).

Almost surely, 2^234130421009 is an apocalyptic number.

It is an amenable number.

234130421009 is a deficient number, since it is larger than the sum of its proper divisors (1).

234130421009 is an equidigital number, since it uses as much as digits as its factorization.

234130421009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 234130421009 in words is "two hundred thirty-four billion, one hundred thirty million, four hundred twenty-one thousand, nine".