423662543 has 8 divisors (see below), whose sum is σ = 440623680. Its totient is φ = 406991520.

The previous prime is 423662527. The next prime is 423662557. The reversal of 423662543 is 345266324.

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 423662543 - 2⁴ = 423662527 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 (423662573) 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, 69548 + ... + 75393.

It is an arithmetic number, because the mean of its divisors is an integer number (55077960).

Almost surely, 2^423662543 is an apocalyptic number.

423662543 is a deficient number, since it is larger than the sum of its proper divisors (16961137).

423662543 is a wasteful number, since it uses less digits than its factorization.

423662543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145057.

The product of its digits is 103680, while the sum is 35.

The square root of 423662543 is about 20583.0644705787. The cubic root of 423662543 is about 751.0577921404.

The spelling of 423662543 in words is "four hundred twenty-three million, six hundred sixty-two thousand, five hundred forty-three".