1283523257743 has 2 divisors, whose sum is σ = 1283523257744. Its totient is φ = 1283523257742.

The previous prime is 1283523257707. The next prime is 1283523257761. The reversal of 1283523257743 is 3477523253821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1283523257743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1283523257843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641761628871 + 641761628872.

It is an arithmetic number, because the mean of its divisors is an integer number (641761628872).

Almost surely, 2^{1283523257743} is an apocalyptic number.

1283523257743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283523257743 is an equidigital number, since it uses as much as digits as its factorization.

1283523257743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8467200, while the sum is 52.

The spelling of 1283523257743 in words is "one trillion, two hundred eighty-three billion, five hundred twenty-three million, two hundred fifty-seven thousand, seven hundred forty-three".