5143823 has 4 divisors (see below), whose sum is σ = 5148360. Its totient is φ = 5139288.

The previous prime is 5143807. The next prime is 5143837. The reversal of 5143823 is 3283415.

It is a Cunningham number, because it is equal to 2268²-1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3283415 = 5 ⋅656683.

It is a cyclic number.

It is not a de Polignac number, because 5143823 - 2⁴ = 5143807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5143792 and 5143801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133 + ... + 3401.

It is an arithmetic number, because the mean of its divisors is an integer number (1287090).

Almost surely, 2^5143823 is an apocalyptic number.

5143823 is a deficient number, since it is larger than the sum of its proper divisors (4537).

5143823 is a wasteful number, since it uses less digits than its factorization.

5143823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536.

The product of its digits is 2880, while the sum is 26.

The square root of 5143823 is about 2267.9997795414. Note that the first 3 decimals coincide. The cubic root of 5143823 is about 172.6216798835.

The spelling of 5143823 in words is "five million, one hundred forty-three thousand, eight hundred twenty-three".