4543223420 has 12 divisors (see below), whose sum is σ = 9540769224. Its totient is φ = 1817289360.

The previous prime is 4543223413. The next prime is 4543223501. The reversal of 4543223420 is 243223454.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113580566 + ... + 113580605.

It is an arithmetic number, because the mean of its divisors is an integer number (795064102).

Almost surely, 2^4543223420 is an apocalyptic number.

It is an amenable number.

4543223420 is an abundant number, since it is smaller than the sum of its proper divisors (4997545804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4543223420 is a wasteful number, since it uses less digits than its factorization.

4543223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227161180 (or 227161178 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 4543223420 is about 67403.4377461565. The cubic root of 4543223420 is about 1656.2327376960.

Adding to 4543223420 its reverse (243223454), we get a palindrome (4786446874).

The spelling of 4543223420 in words is "four billion, five hundred forty-three million, two hundred twenty-three thousand, four hundred twenty".