11523334356493 has 2 divisors, whose sum is σ = 11523334356494. Its totient is φ = 11523334356492.

The previous prime is 11523334356491. The next prime is 11523334356551. The reversal of 11523334356493 is 39465343332511.

11523334356493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6774500167369 + 4748834189124 = 2602787^2 + 2179182^2 .

It is a cyclic number.

It is not a de Polignac number, because 11523334356493 - 2¹ = 11523334356491 is a prime.

It is a super-2 number, since 2×11523334356493² (a number of 27 digits) contains 22 as substring.

Together with 11523334356491, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11523334356493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11523334356491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5761667178246 + 5761667178247.

It is an arithmetic number, because the mean of its divisors is an integer number (5761667178247).

Almost surely, 2^{11523334356493} is an apocalyptic number.

It is an amenable number.

11523334356493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11523334356493 is an equidigital number, since it uses as much as digits as its factorization.

11523334356493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10497600, while the sum is 52.

The spelling of 11523334356493 in words is "eleven trillion, five hundred twenty-three billion, three hundred thirty-four million, three hundred fifty-six thousand, four hundred ninety-three".