2123560581343 has 2 divisors, whose sum is σ = 2123560581344. Its totient is φ = 2123560581342.

The previous prime is 2123560581301. The next prime is 2123560581371. The reversal of 2123560581343 is 3431850653212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2123560581343 - 2³³ = 2114970646751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2123560581343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123560588343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061780290671 + 1061780290672.

It is an arithmetic number, because the mean of its divisors is an integer number (1061780290672).

Almost surely, 2^{2123560581343} is an apocalyptic number.

2123560581343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123560581343 is an equidigital number, since it uses as much as digits as its factorization.

2123560581343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 2123560581343 in words is "two trillion, one hundred twenty-three billion, five hundred sixty million, five hundred eighty-one thousand, three hundred forty-three".