4319509423 has 2 divisors, whose sum is σ = 4319509424. Its totient is φ = 4319509422.

The previous prime is 4319509393. The next prime is 4319509459. The reversal of 4319509423 is 3249059134.

4319509423 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4319509423 - 2²⁹ = 3782638511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4319509483) 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 as a sum of consecutive naturals, namely, 2159754711 + 2159754712.

It is an arithmetic number, because the mean of its divisors is an integer number (2159754712).

Almost surely, 2^4319509423 is an apocalyptic number.

4319509423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4319509423 is an equidigital number, since it uses as much as digits as its factorization.

4319509423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 4319509423 is about 65722.9748489826. The cubic root of 4319509423 is about 1628.5889180467.

The spelling of 4319509423 in words is "four billion, three hundred nineteen million, five hundred nine thousand, four hundred twenty-three".