16380923 has 8 divisors (see below), whose sum is σ = 17713248. Its totient is φ = 15058944.

The previous prime is 16380919. The next prime is 16380929. The reversal of 16380923 is 32908361.

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 16380923 - 2² = 16380919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16380923.

It is not an unprimeable number, because it can be changed into a prime (16380929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890 + ... + 5792.

It is an arithmetic number, because the mean of its divisors is an integer number (2214156).

Almost surely, 2^16380923 is an apocalyptic number.

16380923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16380923 is a deficient number, since it is larger than the sum of its proper divisors (1332325).

16380923 is a wasteful number, since it uses less digits than its factorization.

16380923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 16380923 is about 4047.3352962165. The cubic root of 16380923 is about 253.9682674723.

The spelling of 16380923 in words is "sixteen million, three hundred eighty thousand, nine hundred twenty-three".