234153203897 has 2 divisors, whose sum is σ = 234153203898. Its totient is φ = 234153203896.

The previous prime is 234153203857. The next prime is 234153203899. The reversal of 234153203897 is 798302351432.

234153203897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139734663721 + 94418540176 = 373811^2 + 307276^2 .

It is a cyclic number.

It is not a de Polignac number, because 234153203897 - 2¹⁰ = 234153202873 is a prime.

Together with 234153203899, 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 (234153203899) 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, 117076601948 + 117076601949.

It is an arithmetic number, because the mean of its divisors is an integer number (117076601949).

Almost surely, 2^234153203897 is an apocalyptic number.

It is an amenable number.

234153203897 is a deficient number, since it is larger than the sum of its proper divisors (1).

234153203897 is an equidigital number, since it uses as much as digits as its factorization.

234153203897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 234153203897 in words is "two hundred thirty-four billion, one hundred fifty-three million, two hundred three thousand, eight hundred ninety-seven".