205451423341 has 2 divisors, whose sum is σ = 205451423342. Its totient is φ = 205451423340.

The previous prime is 205451423329. The next prime is 205451423377. The reversal of 205451423341 is 143324154502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153628722025 + 51822701316 = 391955^2 + 227646^2 .

It is a cyclic number.

It is not a de Polignac number, because 205451423341 - 2⁹ = 205451422829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205451423297 and 205451423306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205451420341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102725711670 + 102725711671.

It is an arithmetic number, because the mean of its divisors is an integer number (102725711671).

Almost surely, 2^205451423341 is an apocalyptic number.

It is an amenable number.

205451423341 is a deficient number, since it is larger than the sum of its proper divisors (1).

205451423341 is an equidigital number, since it uses as much as digits as its factorization.

205451423341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 205451423341 its reverse (143324154502), we get a palindrome (348775577843).

The spelling of 205451423341 in words is "two hundred five billion, four hundred fifty-one million, four hundred twenty-three thousand, three hundred forty-one".