16345423 has 2 divisors, whose sum is σ = 16345424. Its totient is φ = 16345422.

The previous prime is 16345409. The next prime is 16345447. The reversal of 16345423 is 32454361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16345423 - 2¹³ = 16337231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16345391 and 16345400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16345403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8172711 + 8172712.

It is an arithmetic number, because the mean of its divisors is an integer number (8172712).

Almost surely, 2^16345423 is an apocalyptic number.

16345423 is a deficient number, since it is larger than the sum of its proper divisors (1).

16345423 is an equidigital number, since it uses as much as digits as its factorization.

16345423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 28.

The square root of 16345423 is about 4042.9473160060. The cubic root of 16345423 is about 253.7846719106.

Adding to 16345423 its reverse (32454361), we get a palindrome (48799784).

The spelling of 16345423 in words is "sixteen million, three hundred forty-five thousand, four hundred twenty-three".