16434584623 has 2 divisors, whose sum is σ = 16434584624. Its totient is φ = 16434584622.

The previous prime is 16434584609. The next prime is 16434584723. The reversal of 16434584623 is 32648543461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16434584623 - 2⁵ = 16434584591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16434584723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8217292311 + 8217292312.

It is an arithmetic number, because the mean of its divisors is an integer number (8217292312).

Almost surely, 2^16434584623 is an apocalyptic number.

16434584623 is a deficient number, since it is larger than the sum of its proper divisors (1).

16434584623 is an equidigital number, since it uses as much as digits as its factorization.

16434584623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 46.

The spelling of 16434584623 in words is "sixteen billion, four hundred thirty-four million, five hundred eighty-four thousand, six hundred twenty-three".