201323121341 has 2 divisors, whose sum is σ = 201323121342. Its totient is φ = 201323121340.

The previous prime is 201323121253. The next prime is 201323121403. The reversal of 201323121341 is 143121323102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194595676900 + 6727444441 = 441130^2 + 82021^2 .

It is a cyclic number.

It is not a de Polignac number, because 201323121341 - 2²² = 201318927037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201323121841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100661560670 + 100661560671.

It is an arithmetic number, because the mean of its divisors is an integer number (100661560671).

Almost surely, 2^201323121341 is an apocalyptic number.

It is an amenable number.

201323121341 is a deficient number, since it is larger than the sum of its proper divisors (1).

201323121341 is an equidigital number, since it uses as much as digits as its factorization.

201323121341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 201323121341 its reverse (143121323102), we get a palindrome (344444444443).

The spelling of 201323121341 in words is "two hundred one billion, three hundred twenty-three million, one hundred twenty-one thousand, three hundred forty-one".