823040341 has 2 divisors, whose sum is σ = 823040342. Its totient is φ = 823040340.

The previous prime is 823040293. The next prime is 823040399. The reversal of 823040341 is 143040328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 625750225 + 197290116 = 25015^2 + 14046^2 .

It is a cyclic number.

It is not a de Polignac number, because 823040341 - 2⁹ = 823039829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (823043341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411520170 + 411520171.

It is an arithmetic number, because the mean of its divisors is an integer number (411520171).

Almost surely, 2^823040341 is an apocalyptic number.

It is an amenable number.

823040341 is a deficient number, since it is larger than the sum of its proper divisors (1).

823040341 is an equidigital number, since it uses as much as digits as its factorization.

823040341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 823040341 is about 28688.6796663771. The cubic root of 823040341 is about 937.1455360640.

Adding to 823040341 its reverse (143040328), we get a palindrome (966080669).

The spelling of 823040341 in words is "eight hundred twenty-three million, forty thousand, three hundred forty-one".