16001423 has 2 divisors, whose sum is σ = 16001424. Its totient is φ = 16001422.

The previous prime is 16001413. The next prime is 16001429. The reversal of 16001423 is 32410061.

It is a strong prime.

It is an emirp because it is prime and its reverse (32410061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16001423 - 2¹⁰ = 16000399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16001429) 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 as a sum of consecutive naturals, namely, 8000711 + 8000712.

It is an arithmetic number, because the mean of its divisors is an integer number (8000712).

Almost surely, 2^16001423 is an apocalyptic number.

16001423 is a deficient number, since it is larger than the sum of its proper divisors (1).

16001423 is an equidigital number, since it uses as much as digits as its factorization.

16001423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 16001423 is about 4000.1778710452. The cubic root of 16001423 is about 251.9916800394.

Adding to 16001423 its reverse (32410061), we get a palindrome (48411484).

The spelling of 16001423 in words is "sixteen million, one thousand, four hundred twenty-three".