10243634355523 has 2 divisors, whose sum is σ = 10243634355524. Its totient is φ = 10243634355522.

The previous prime is 10243634355467. The next prime is 10243634355569. The reversal of 10243634355523 is 32555343634201.

It is a happy number.

It is an a-pointer prime, because the next prime (10243634355569) can be obtained adding 10243634355523 to its sum of digits (46).

It is a strong prime.

It is an emirp because it is prime and its reverse (32555343634201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10243634355523 - 2¹⁷ = 10243634224451 is a prime.

It is a super-2 number, since 2×10243634355523² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10243634355593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5121817177761 + 5121817177762.

It is an arithmetic number, because the mean of its divisors is an integer number (5121817177762).

Almost surely, 2^{10243634355523} is an apocalyptic number.

10243634355523 is a deficient number, since it is larger than the sum of its proper divisors (1).

10243634355523 is an equidigital number, since it uses as much as digits as its factorization.

10243634355523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888000, while the sum is 46.

Adding to 10243634355523 its reverse (32555343634201), we get a palindrome (42798977989724).

The spelling of 10243634355523 in words is "ten trillion, two hundred forty-three billion, six hundred thirty-four million, three hundred fifty-five thousand, five hundred twenty-three".