1323538043743 has 2 divisors, whose sum is σ = 1323538043744. Its totient is φ = 1323538043742.

The previous prime is 1323538043713. The next prime is 1323538043809. The reversal of 1323538043743 is 3473408353231.

It is a weak prime.

It is an emirp because it is prime and its reverse (3473408353231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1323538043743 - 2¹³ = 1323538035551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323538043693 and 1323538043702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323538043713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661769021871 + 661769021872.

It is an arithmetic number, because the mean of its divisors is an integer number (661769021872).

Almost surely, 2^{1323538043743} is an apocalyptic number.

1323538043743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323538043743 is an equidigital number, since it uses as much as digits as its factorization.

1323538043743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 46.

The spelling of 1323538043743 in words is "one trillion, three hundred twenty-three billion, five hundred thirty-eight million, forty-three thousand, seven hundred forty-three".