2823142397 has 2 divisors, whose sum is σ = 2823142398. Its totient is φ = 2823142396.

The previous prime is 2823142391. The next prime is 2823142481. The reversal of 2823142397 is 7932413282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1736055556 + 1087086841 = 41666^2 + 32971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2823142397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2823142391) 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, 1411571198 + 1411571199.

It is an arithmetic number, because the mean of its divisors is an integer number (1411571199).

Almost surely, 2^2823142397 is an apocalyptic number.

It is an amenable number.

2823142397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2823142397 is an equidigital number, since it uses as much as digits as its factorization.

2823142397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 2823142397 is about 53133.2513309698. The cubic root of 2823142397 is about 1413.3322252807.

The spelling of 2823142397 in words is "two billion, eight hundred twenty-three million, one hundred forty-two thousand, three hundred ninety-seven".