18552562487323 has 2 divisors, whose sum is σ = 18552562487324. Its totient is φ = 18552562487322.

The previous prime is 18552562487293. The next prime is 18552562487387. The reversal of 18552562487323 is 32378426525581.

It is a weak prime.

It is an emirp because it is prime and its reverse (32378426525581) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18552562487323 is a prime.

It is not a weakly prime, because it can be changed into another prime (18552562482323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9276281243661 + 9276281243662.

It is an arithmetic number, because the mean of its divisors is an integer number (9276281243662).

Almost surely, 2^{18552562487323} is an apocalyptic number.

18552562487323 is a deficient number, since it is larger than the sum of its proper divisors (1).

18552562487323 is an equidigital number, since it uses as much as digits as its factorization.

18552562487323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768000, while the sum is 61.

The spelling of 18552562487323 in words is "eighteen trillion, five hundred fifty-two billion, five hundred sixty-two million, four hundred eighty-seven thousand, three hundred twenty-three".