423212211 has 12 divisors (see below), whose sum is σ = 611847288. Its totient is φ = 281891904.

The previous prime is 423212203. The next prime is 423212219. The reversal of 423212211 is 112212324.

It is a happy number.

423212211 is a `hidden beast` number, since 423 + 21 + 221 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (423212203) and next prime (423212219).

It is not a de Polignac number, because 423212211 - 2³ = 423212203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423212219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9750 + ... + 30683.

It is an arithmetic number, because the mean of its divisors is an integer number (50987274).

Almost surely, 2^423212211 is an apocalyptic number.

423212211 is a deficient number, since it is larger than the sum of its proper divisors (188635077).

423212211 is a wasteful number, since it uses less digits than its factorization.

423212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41602 (or 41599 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 423212211 is about 20572.1221802710. The cubic root of 423212211 is about 750.7915855625.

Adding to 423212211 its reverse (112212324), we get a palindrome (535424535).

The spelling of 423212211 in words is "four hundred twenty-three million, two hundred twelve thousand, two hundred eleven".