423212055 has 16 divisors (see below), whose sum is σ = 773873664. Its totient is φ = 193468320.

The previous prime is 423212039. The next prime is 423212077. The reversal of 423212055 is 550212324.

It is not a de Polignac number, because 423212055 - 2⁴ = 423212039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2015191 + ... + 2015400.

It is an arithmetic number, because the mean of its divisors is an integer number (48367104).

Almost surely, 2^423212055 is an apocalyptic number.

423212055 is a deficient number, since it is larger than the sum of its proper divisors (350661609).

423212055 is a wasteful number, since it uses less digits than its factorization.

423212055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030606.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 423212055 is about 20572.1183887319. The cubic root of 423212055 is about 750.7914933128.

Adding to 423212055 its reverse (550212324), we get a palindrome (973424379).

The spelling of 423212055 in words is "four hundred twenty-three million, two hundred twelve thousand, fifty-five".