16355043642423 has 16 divisors (see below), whose sum is σ = 21829369586400. Its totient is φ = 10892043801600.

The previous prime is 16355043642419. The next prime is 16355043642503. The reversal of 16355043642423 is 32424634055361.

It is not a de Polignac number, because 16355043642423 - 2² = 16355043642419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16355043641423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17150833 + ... + 18079301.

It is an arithmetic number, because the mean of its divisors is an integer number (1364335599150).

Almost surely, 2^{16355043642423} is an apocalyptic number.

16355043642423 is a deficient number, since it is larger than the sum of its proper divisors (5474325943977).

16355043642423 is a wasteful number, since it uses less digits than its factorization.

16355043642423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934562.

The product of its (nonzero) digits is 6220800, while the sum is 48.

Adding to 16355043642423 its reverse (32424634055361), we get a palindrome (48779677697784).

The spelling of 16355043642423 in words is "sixteen trillion, three hundred fifty-five billion, forty-three million, six hundred forty-two thousand, four hundred twenty-three".