5421323 has 2 divisors, whose sum is σ = 5421324. Its totient is φ = 5421322.

The previous prime is 5421287. The next prime is 5421329. The reversal of 5421323 is 3231245.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5421323 - 2²⁰ = 4372747 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 5421295 and 5421304.

It is not a weakly prime, because it can be changed into another prime (5421329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710661 + 2710662.

It is an arithmetic number, because the mean of its divisors is an integer number (2710662).

Almost surely, 2^5421323 is an apocalyptic number.

5421323 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421323 is an equidigital number, since it uses as much as digits as its factorization.

5421323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 20.

The square root of 5421323 is about 2328.3734666071. The cubic root of 5421323 is about 175.6716826043.

Adding to 5421323 its reverse (3231245), we get a palindrome (8652568).

The spelling of 5421323 in words is "five million, four hundred twenty-one thousand, three hundred twenty-three".