573323421 has 16 divisors (see below), whose sum is σ = 836656128. Its totient is φ = 346330800.

The previous prime is 573323383. The next prime is 573323449. The reversal of 573323421 is 124323375.

It is not a de Polignac number, because 573323421 - 2²⁶ = 506214557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573323321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18165 + ... + 38426.

It is an arithmetic number, because the mean of its divisors is an integer number (52291008).

Almost surely, 2^573323421 is an apocalyptic number.

It is an amenable number.

573323421 is a deficient number, since it is larger than the sum of its proper divisors (263332707).

573323421 is a wasteful number, since it uses less digits than its factorization.

573323421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56912.

The product of its digits is 15120, while the sum is 30.

The square root of 573323421 is about 23944.1730072266. The cubic root of 573323421 is about 830.7427526507.

Adding to 573323421 its reverse (124323375), we get a palindrome (697646796).

The spelling of 573323421 in words is "five hundred seventy-three million, three hundred twenty-three thousand, four hundred twenty-one".