234021353 has 2 divisors, whose sum is σ = 234021354. Its totient is φ = 234021352.

The previous prime is 234021323. The next prime is 234021367. The reversal of 234021353 is 353120432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142014889 + 92006464 = 11917^2 + 9592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234021353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (234021323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117010676 + 117010677.

It is an arithmetic number, because the mean of its divisors is an integer number (117010677).

Almost surely, 2^234021353 is an apocalyptic number.

It is an amenable number.

234021353 is a deficient number, since it is larger than the sum of its proper divisors (1).

234021353 is an equidigital number, since it uses as much as digits as its factorization.

234021353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 234021353 is about 15297.7564694958. The cubic root of 234021353 is about 616.2427581241.

Adding to 234021353 its reverse (353120432), we get a palindrome (587141785).

The spelling of 234021353 in words is "two hundred thirty-four million, twenty-one thousand, three hundred fifty-three".