4238459923 has 2 divisors, whose sum is σ = 4238459924. Its totient is φ = 4238459922.

The previous prime is 4238459917. The next prime is 4238459969. The reversal of 4238459923 is 3299548324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4238459923 - 2⁵ = 4238459891 is a prime.

It is not a weakly prime, because it can be changed into another prime (4238459983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119229961 + 2119229962.

It is an arithmetic number, because the mean of its divisors is an integer number (2119229962).

Almost surely, 2^4238459923 is an apocalyptic number.

4238459923 is a deficient number, since it is larger than the sum of its proper divisors (1).

4238459923 is an equidigital number, since it uses as much as digits as its factorization.

4238459923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 49.

The square root of 4238459923 is about 65103.4555380895. The cubic root of 4238459923 is about 1618.3384787397.

The spelling of 4238459923 in words is "four billion, two hundred thirty-eight million, four hundred fifty-nine thousand, nine hundred twenty-three".