16424342423 has 2 divisors, whose sum is σ = 16424342424. Its totient is φ = 16424342422.

The previous prime is 16424342411. The next prime is 16424342449. The reversal of 16424342423 is 32424342461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16424342423 - 2⁸ = 16424342167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16424342483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8212171211 + 8212171212.

It is an arithmetic number, because the mean of its divisors is an integer number (8212171212).

Almost surely, 2^16424342423 is an apocalyptic number.

16424342423 is a deficient number, since it is larger than the sum of its proper divisors (1).

16424342423 is an equidigital number, since it uses as much as digits as its factorization.

16424342423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 35.

Adding to 16424342423 its reverse (32424342461), we get a palindrome (48848684884).

The spelling of 16424342423 in words is "sixteen billion, four hundred twenty-four million, three hundred forty-two thousand, four hundred twenty-three".