23230343303257 has 2 divisors, whose sum is σ = 23230343303258. Its totient is φ = 23230343303256.

The previous prime is 23230343303243. The next prime is 23230343303311. The reversal of 23230343303257 is 75230334303232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16770302664336 + 6460040638921 = 4095156^2 + 2541661^2 .

It is a cyclic number.

It is not a de Polignac number, because 23230343303257 - 2³⁵ = 23195983564889 is a prime.

It is not a weakly prime, because it can be changed into another prime (23230343303357) 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, 11615171651628 + 11615171651629.

It is an arithmetic number, because the mean of its divisors is an integer number (11615171651629).

Almost surely, 2^{23230343303257} is an apocalyptic number.

It is an amenable number.

23230343303257 is a deficient number, since it is larger than the sum of its proper divisors (1).

23230343303257 is an equidigital number, since it uses as much as digits as its factorization.

23230343303257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 40.

Adding to 23230343303257 its reverse (75230334303232), we get a palindrome (98460677606489).

The spelling of 23230343303257 in words is "twenty-three trillion, two hundred thirty billion, three hundred forty-three million, three hundred three thousand, two hundred fifty-seven".