423354543 has 4 divisors (see below), whose sum is σ = 564472728. Its totient is φ = 282236360.

The previous prime is 423354541. The next prime is 423354551. The reversal of 423354543 is 345453324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423354543 - 2¹ = 423354541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423354541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70559088 + ... + 70559093.

It is an arithmetic number, because the mean of its divisors is an integer number (141118182).

Almost surely, 2^423354543 is an apocalyptic number.

423354543 is a deficient number, since it is larger than the sum of its proper divisors (141118185).

423354543 is a wasteful number, since it uses less digits than its factorization.

423354543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141118184.

The product of its digits is 86400, while the sum is 33.

The square root of 423354543 is about 20575.5812311585. The cubic root of 423354543 is about 750.8757432559.

The spelling of 423354543 in words is "four hundred twenty-three million, three hundred fifty-four thousand, five hundred forty-three".