5144721323 has 8 divisors (see below), whose sum is σ = 5880123648. Its totient is φ = 4409429544.

The previous prime is 5144721313. The next prime is 5144721331. The reversal of 5144721323 is 3231274415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5144721323 - 2¹⁸ = 5144459179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5144721323.

It is not an unprimeable number, because it can be changed into a prime (5144721313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139490 + ... + 172472.

It is an arithmetic number, because the mean of its divisors is an integer number (735015456).

Almost surely, 2^5144721323 is an apocalyptic number.

5144721323 is a deficient number, since it is larger than the sum of its proper divisors (735402325).

5144721323 is a wasteful number, since it uses less digits than its factorization.

5144721323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55273.

The product of its digits is 20160, while the sum is 32.

The square root of 5144721323 is about 71726.7127575215. The cubic root of 5144721323 is about 1726.3172824626.

Adding to 5144721323 its reverse (3231274415), we get a palindrome (8375995738).

The spelling of 5144721323 in words is "five billion, one hundred forty-four million, seven hundred twenty-one thousand, three hundred twenty-three".