201110232397 has 2 divisors, whose sum is σ = 201110232398. Its totient is φ = 201110232396.

The previous prime is 201110232307. The next prime is 201110232403. The reversal of 201110232397 is 793232011102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105892318921 + 95217913476 = 325411^2 + 308574^2 .

It is a cyclic number.

It is not a de Polignac number, because 201110232397 - 2⁷ = 201110232269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201110232307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100555116198 + 100555116199.

It is an arithmetic number, because the mean of its divisors is an integer number (100555116199).

Almost surely, 2^201110232397 is an apocalyptic number.

It is an amenable number.

201110232397 is a deficient number, since it is larger than the sum of its proper divisors (1).

201110232397 is an equidigital number, since it uses as much as digits as its factorization.

201110232397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

Adding to 201110232397 its reverse (793232011102), we get a palindrome (994342243499).

The spelling of 201110232397 in words is "two hundred one billion, one hundred ten million, two hundred thirty-two thousand, three hundred ninety-seven".