423320055 has 8 divisors (see below), whose sum is σ = 677312112. Its totient is φ = 225770688.

The previous prime is 423320041. The next prime is 423320059. The reversal of 423320055 is 550023324.

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

It is not a de Polignac number, because 423320055 - 2¹⁹ = 422795767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423320059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14110654 + ... + 14110683.

It is an arithmetic number, because the mean of its divisors is an integer number (84664014).

Almost surely, 2^423320055 is an apocalyptic number.

423320055 is a deficient number, since it is larger than the sum of its proper divisors (253992057).

423320055 is a wasteful number, since it uses less digits than its factorization.

423320055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28221345.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 423320055 is about 20574.7431332690. The cubic root of 423320055 is about 750.8553530130.

Adding to 423320055 its reverse (550023324), we get a palindrome (973343379).

The spelling of 423320055 in words is "four hundred twenty-three million, three hundred twenty thousand, fifty-five".