4423431601 has 2 divisors, whose sum is σ = 4423431602. Its totient is φ = 4423431600.

The previous prime is 4423431587. The next prime is 4423431643. The reversal of 4423431601 is 1061343244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4402455201 + 20976400 = 66351^2 + 4580^2 .

It is a cyclic number.

It is not a de Polignac number, because 4423431601 - 2⁷ = 4423431473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4423431601.

It is not a weakly prime, because it can be changed into another prime (4423431101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211715800 + 2211715801.

It is an arithmetic number, because the mean of its divisors is an integer number (2211715801).

Almost surely, 2^4423431601 is an apocalyptic number.

It is an amenable number.

4423431601 is a deficient number, since it is larger than the sum of its proper divisors (1).

4423431601 is an equidigital number, since it uses as much as digits as its factorization.

4423431601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 4423431601 is about 66508.8836246708. The cubic root of 4423431601 is about 1641.5461822279.

Adding to 4423431601 its reverse (1061343244), we get a palindrome (5484774845).

The spelling of 4423431601 in words is "four billion, four hundred twenty-three million, four hundred thirty-one thousand, six hundred one".