234221353 has 2 divisors, whose sum is σ = 234221354. Its totient is φ = 234221352.

The previous prime is 234221329. The next prime is 234221357. The reversal of 234221353 is 353122432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131056704 + 103164649 = 11448^2 + 10157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234221353 is a prime.

It is not a weakly prime, because it can be changed into another prime (234221357) 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, 117110676 + 117110677.

It is an arithmetic number, because the mean of its divisors is an integer number (117110677).

Almost surely, 2^234221353 is an apocalyptic number.

It is an amenable number.

234221353 is a deficient number, since it is larger than the sum of its proper divisors (1).

234221353 is an equidigital number, since it uses as much as digits as its factorization.

234221353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 25.

The square root of 234221353 is about 15304.2919797029. The cubic root of 234221353 is about 616.4182598556.

Adding to 234221353 its reverse (353122432), we get a palindrome (587343785).

The spelling of 234221353 in words is "two hundred thirty-four million, two hundred twenty-one thousand, three hundred fifty-three".