4025123243 has 2 divisors, whose sum is σ = 4025123244. Its totient is φ = 4025123242.

The previous prime is 4025123149. The next prime is 4025123261. The reversal of 4025123243 is 3423215204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4025123243 - 2²² = 4020928939 is a prime.

It is not a weakly prime, because it can be changed into another prime (4025123293) 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, 2012561621 + 2012561622.

It is an arithmetic number, because the mean of its divisors is an integer number (2012561622).

Almost surely, 2^4025123243 is an apocalyptic number.

4025123243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4025123243 is an equidigital number, since it uses as much as digits as its factorization.

4025123243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 4025123243 is about 63443.8589857206. The cubic root of 4025123243 is about 1590.7175068178.

Adding to 4025123243 its reverse (3423215204), we get a palindrome (7448338447).

The spelling of 4025123243 in words is "four billion, twenty-five million, one hundred twenty-three thousand, two hundred forty-three".