234136447 has 2 divisors, whose sum is σ = 234136448. Its totient is φ = 234136446.

The previous prime is 234136433. The next prime is 234136453. The reversal of 234136447 is 744631432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234136447 - 2⁷ = 234136319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234136417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117068223 + 117068224.

It is an arithmetic number, because the mean of its divisors is an integer number (117068224).

Almost surely, 2^234136447 is an apocalyptic number.

234136447 is a deficient number, since it is larger than the sum of its proper divisors (1).

234136447 is an equidigital number, since it uses as much as digits as its factorization.

234136447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 34.

The square root of 234136447 is about 15301.5178005321. The cubic root of 234136447 is about 616.3437663141.

Adding to 234136447 its reverse (744631432), we get a palindrome (978767879).

The spelling of 234136447 in words is "two hundred thirty-four million, one hundred thirty-six thousand, four hundred forty-seven".