18965055323 has 2 divisors, whose sum is σ = 18965055324. Its totient is φ = 18965055322.

The previous prime is 18965055299. The next prime is 18965055391. The reversal of 18965055323 is 32355056981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18965055323 - 2⁶ = 18965055259 is a prime.

It is not a weakly prime, because it can be changed into another prime (18965055223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9482527661 + 9482527662.

It is an arithmetic number, because the mean of its divisors is an integer number (9482527662).

Almost surely, 2^18965055323 is an apocalyptic number.

18965055323 is a deficient number, since it is larger than the sum of its proper divisors (1).

18965055323 is an equidigital number, since it uses as much as digits as its factorization.

18965055323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 18965055323 in words is "eighteen billion, nine hundred sixty-five million, fifty-five thousand, three hundred twenty-three".