234130447 has 2 divisors, whose sum is σ = 234130448. Its totient is φ = 234130446.

The previous prime is 234130439. The next prime is 234130451. The reversal of 234130447 is 744031432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234130447 - 2³ = 234130439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234136447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117065223 + 117065224.

It is an arithmetic number, because the mean of its divisors is an integer number (117065224).

Almost surely, 2^234130447 is an apocalyptic number.

234130447 is a deficient number, since it is larger than the sum of its proper divisors (1).

234130447 is an equidigital number, since it uses as much as digits as its factorization.

234130447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 234130447 is about 15301.3217402942. The cubic root of 234130447 is about 616.3385014437.

Adding to 234130447 its reverse (744031432), we get a palindrome (978161879).

The spelling of 234130447 in words is "two hundred thirty-four million, one hundred thirty thousand, four hundred forty-seven".