4440130423 has 2 divisors, whose sum is σ = 4440130424. Its totient is φ = 4440130422.

The previous prime is 4440130399. The next prime is 4440130459. The reversal of 4440130423 is 3240310444.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4440130423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4440130223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220065211 + 2220065212.

It is an arithmetic number, because the mean of its divisors is an integer number (2220065212).

Almost surely, 2^4440130423 is an apocalyptic number.

4440130423 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440130423 is an equidigital number, since it uses as much as digits as its factorization.

4440130423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4440130423 is about 66634.3036505973. The cubic root of 4440130423 is about 1643.6092460873.

Adding to 4440130423 its reverse (3240310444), we get a palindrome (7680440867).

The spelling of 4440130423 in words is "four billion, four hundred forty million, one hundred thirty thousand, four hundred twenty-three".