423553543 has 8 divisors (see below), whose sum is σ = 484221600. Its totient is φ = 362925600.

The previous prime is 423553531. The next prime is 423553547. The reversal of 423553543 is 345355324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423553543 - 2⁵ = 423553511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423553499 and 423553508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423553547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17733 + ... + 34081.

It is an arithmetic number, because the mean of its divisors is an integer number (60527700).

Almost surely, 2^423553543 is an apocalyptic number.

423553543 is a deficient number, since it is larger than the sum of its proper divisors (60668057).

423553543 is a wasteful number, since it uses less digits than its factorization.

423553543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20057.

The product of its digits is 108000, while the sum is 34.

The square root of 423553543 is about 20580.4164923842. The cubic root of 423553543 is about 750.9933758398.

The spelling of 423553543 in words is "four hundred twenty-three million, five hundred fifty-three thousand, five hundred forty-three".