544123243 has 2 divisors, whose sum is σ = 544123244. Its totient is φ = 544123242.

The previous prime is 544123211. The next prime is 544123271. The reversal of 544123243 is 342321445.

It is a happy number.

544123243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (544123271) can be obtained adding 544123243 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 544123243 - 2⁵ = 544123211 is a prime.

It is not a weakly prime, because it can be changed into another prime (544123043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272061621 + 272061622.

It is an arithmetic number, because the mean of its divisors is an integer number (272061622).

Almost surely, 2^544123243 is an apocalyptic number.

544123243 is a deficient number, since it is larger than the sum of its proper divisors (1).

544123243 is an equidigital number, since it uses as much as digits as its factorization.

544123243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 28.

The square root of 544123243 is about 23326.4494297782. The cubic root of 544123243 is about 816.3926622262.

Adding to 544123243 its reverse (342321445), we get a palindrome (886444688).

The spelling of 544123243 in words is "five hundred forty-four million, one hundred twenty-three thousand, two hundred forty-three".