1282717823 has 2 divisors, whose sum is σ = 1282717824. Its totient is φ = 1282717822.

The previous prime is 1282717817. The next prime is 1282717829. The reversal of 1282717823 is 3287172821.

It is a balanced prime because it is at equal distance from previous prime (1282717817) and next prime (1282717829).

It is a cyclic number.

It is not a de Polignac number, because 1282717823 - 2²⁰ = 1281669247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1282717829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641358911 + 641358912.

It is an arithmetic number, because the mean of its divisors is an integer number (641358912).

Almost surely, 2^1282717823 is an apocalyptic number.

1282717823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282717823 is an equidigital number, since it uses as much as digits as its factorization.

1282717823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 41.

The square root of 1282717823 is about 35815.0502303152. The cubic root of 1282717823 is about 1086.5349728224.

The spelling of 1282717823 in words is "one billion, two hundred eighty-two million, seven hundred seventeen thousand, eight hundred twenty-three".