1282823623 has 2 divisors, whose sum is σ = 1282823624. Its totient is φ = 1282823622.

The previous prime is 1282823611. The next prime is 1282823629. The reversal of 1282823623 is 3263282821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1282823623 is a prime.

It is a super-3 number, since 3×1282823623³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1282823629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641411811 + 641411812.

It is an arithmetic number, because the mean of its divisors is an integer number (641411812).

Almost surely, 2^1282823623 is an apocalyptic number.

1282823623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282823623 is an equidigital number, since it uses as much as digits as its factorization.

1282823623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

The square root of 1282823623 is about 35816.5272325501. The cubic root of 1282823623 is about 1086.5648448742.

The spelling of 1282823623 in words is "one billion, two hundred eighty-two million, eight hundred twenty-three thousand, six hundred twenty-three".