43243440103363 has 2 divisors, whose sum is σ = 43243440103364. Its totient is φ = 43243440103362.

The previous prime is 43243440103349. The next prime is 43243440103403. The reversal of 43243440103363 is 36330104434234.

It is an a-pointer prime, because the next prime (43243440103403) can be obtained adding 43243440103363 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43243440103363 - 2²¹ = 43243438006211 is a prime.

It is a super-2 number, since 2×43243440103363² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43243440103313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21621720051681 + 21621720051682.

It is an arithmetic number, because the mean of its divisors is an integer number (21621720051682).

Almost surely, 2^{43243440103363} is an apocalyptic number.

43243440103363 is a deficient number, since it is larger than the sum of its proper divisors (1).

43243440103363 is an equidigital number, since it uses as much as digits as its factorization.

43243440103363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 40.

Adding to 43243440103363 its reverse (36330104434234), we get a palindrome (79573544537597).

The spelling of 43243440103363 in words is "forty-three trillion, two hundred forty-three billion, four hundred forty million, one hundred three thousand, three hundred sixty-three".