5221043423 has 2 divisors, whose sum is σ = 5221043424. Its totient is φ = 5221043422.

The previous prime is 5221043419. The next prime is 5221043489. The reversal of 5221043423 is 3243401225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5221043423 - 2² = 5221043419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5221043392 and 5221043401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5221048423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610521711 + 2610521712.

It is an arithmetic number, because the mean of its divisors is an integer number (2610521712).

Almost surely, 2^5221043423 is an apocalyptic number.

5221043423 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221043423 is an equidigital number, since it uses as much as digits as its factorization.

5221043423 is an evil number, because the sum of its binary digits is even.

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

The square root of 5221043423 is about 72256.7880755850. The cubic root of 5221043423 is about 1734.8120698816.

Adding to 5221043423 its reverse (3243401225), we get a palindrome (8464444648).

The spelling of 5221043423 in words is "five billion, two hundred twenty-one million, forty-three thousand, four hundred twenty-three".