1280388322223 has 2 divisors, whose sum is σ = 1280388322224. Its totient is φ = 1280388322222.

The previous prime is 1280388322207. The next prime is 1280388322237. The reversal of 1280388322223 is 3222238830821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1280388322223 - 2⁴ = 1280388322207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1280388372223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640194161111 + 640194161112.

It is an arithmetic number, because the mean of its divisors is an integer number (640194161112).

Almost surely, 2^{1280388322223} is an apocalyptic number.

1280388322223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1280388322223 is an equidigital number, since it uses as much as digits as its factorization.

1280388322223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 1280388322223 in words is "one trillion, two hundred eighty billion, three hundred eighty-eight million, three hundred twenty-two thousand, two hundred twenty-three".