5144721223 has 2 divisors, whose sum is σ = 5144721224. Its totient is φ = 5144721222.

The previous prime is 5144721137. The next prime is 5144721233. The reversal of 5144721223 is 3221274415.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5144721223 - 2¹³ = 5144713031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5144721233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572360611 + 2572360612.

It is an arithmetic number, because the mean of its divisors is an integer number (2572360612).

Almost surely, 2^5144721223 is an apocalyptic number.

5144721223 is a deficient number, since it is larger than the sum of its proper divisors (1).

5144721223 is an equidigital number, since it uses as much as digits as its factorization.

5144721223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 31.

The square root of 5144721223 is about 71726.7120604312. The cubic root of 5144721223 is about 1726.3172712775.

Adding to 5144721223 its reverse (3221274415), we get a palindrome (8365995638).

The spelling of 5144721223 in words is "five billion, one hundred forty-four million, seven hundred twenty-one thousand, two hundred twenty-three".