16961423 has 4 divisors (see below), whose sum is σ = 16969680. Its totient is φ = 16953168.

The previous prime is 16961411. The next prime is 16961437. The reversal of 16961423 is 32416961.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16961423 - 2¹⁰ = 16960399 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 16961423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16961453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643 + ... + 6051.

It is an arithmetic number, because the mean of its divisors is an integer number (4242420).

Almost surely, 2^16961423 is an apocalyptic number.

16961423 is a deficient number, since it is larger than the sum of its proper divisors (8257).

16961423 is an equidigital number, since it uses as much as digits as its factorization.

16961423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8256.

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

The square root of 16961423 is about 4118.4248202438. The cubic root of 16961423 is about 256.9335169974.

The spelling of 16961423 in words is "sixteen million, nine hundred sixty-one thousand, four hundred twenty-three".