5421345223 has 4 divisors (see below), whose sum is σ = 6195823120. Its totient is φ = 4646867328.

The previous prime is 5421345211. The next prime is 5421345227. The reversal of 5421345223 is 3225431245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3225431245 = 5 ⋅645086249.

It is a cyclic number.

It is not a de Polignac number, because 5421345223 - 2²⁵ = 5387790791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421345227) 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, 387238938 + ... + 387238951.

It is an arithmetic number, because the mean of its divisors is an integer number (1548955780).

Almost surely, 2^5421345223 is an apocalyptic number.

5421345223 is a deficient number, since it is larger than the sum of its proper divisors (774477897).

5421345223 is an equidigital number, since it uses as much as digits as its factorization.

5421345223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774477896.

The product of its digits is 28800, while the sum is 31.

The square root of 5421345223 is about 73629.7848903553. The cubic root of 5421345223 is about 1756.7192264078.

Adding to 5421345223 its reverse (3225431245), we get a palindrome (8646776468).

The spelling of 5421345223 in words is "five billion, four hundred twenty-one million, three hundred forty-five thousand, two hundred twenty-three".