423641055 has 16 divisors (see below), whose sum is σ = 686407680. Its totient is φ = 223081248.

The previous prime is 423641051. The next prime is 423641059. The reversal of 423641055 is 550146324.

It is an interprime number because it is at equal distance from previous prime (423641051) and next prime (423641059).

It is not a de Polignac number, because 423641055 - 2² = 423641051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423641051) 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 15 ways as a sum of consecutive naturals, for example, 177567 + ... + 179936.

It is an arithmetic number, because the mean of its divisors is an integer number (42900480).

Almost surely, 2^423641055 is an apocalyptic number.

423641055 is a deficient number, since it is larger than the sum of its proper divisors (262766625).

423641055 is a wasteful number, since it uses less digits than its factorization.

423641055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357590.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 423641055 is about 20582.5424814331. The cubic root of 423641055 is about 751.0450941390.

Adding to 423641055 its reverse (550146324), we get a palindrome (973787379).

The spelling of 423641055 in words is "four hundred twenty-three million, six hundred forty-one thousand, fifty-five".