16504530323 has 2 divisors, whose sum is σ = 16504530324. Its totient is φ = 16504530322.

The previous prime is 16504530307. The next prime is 16504530337. The reversal of 16504530323 is 32303540561.

It is a strong prime.

It is an emirp because it is prime and its reverse (32303540561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16504530323 - 2⁴ = 16504530307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16504530323.

It is not a weakly prime, because it can be changed into another prime (16504533323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8252265161 + 8252265162.

It is an arithmetic number, because the mean of its divisors is an integer number (8252265162).

Almost surely, 2^16504530323 is an apocalyptic number.

16504530323 is a deficient number, since it is larger than the sum of its proper divisors (1).

16504530323 is an equidigital number, since it uses as much as digits as its factorization.

16504530323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 16504530323 in words is "sixteen billion, five hundred four million, five hundred thirty thousand, three hundred twenty-three".