16909900423 has 8 divisors (see below), whose sum is σ = 18215794688. Its totient is φ = 15604739424.

The previous prime is 16909900417. The next prime is 16909900507. The reversal of 16909900423 is 32400990961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16909900423 - 2⁹ = 16909899911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16909900423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16909900223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134940 + ... + 228097.

It is an arithmetic number, because the mean of its divisors is an integer number (2276974336).

Almost surely, 2^16909900423 is an apocalyptic number.

16909900423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16909900423 is a deficient number, since it is larger than the sum of its proper divisors (1305894265).

16909900423 is a wasteful number, since it uses less digits than its factorization.

16909900423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366633.

The product of its (nonzero) digits is 104976, while the sum is 43.

The spelling of 16909900423 in words is "sixteen billion, nine hundred nine million, nine hundred thousand, four hundred twenty-three".