231223212006 has 16 divisors (see below), whose sum is σ = 462982293504. Its totient is φ = 76985092424.

The previous prime is 231223211983. The next prime is 231223212007. The reversal of 231223212006 is 600212322132.

231223212006 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231223212007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22322286 + ... + 22332641.

It is an arithmetic number, because the mean of its divisors is an integer number (28936393344).

Almost surely, 2^231223212006 is an apocalyptic number.

231223212006 is an abundant number, since it is smaller than the sum of its proper divisors (231759081498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231223212006 is a wasteful number, since it uses less digits than its factorization.

231223212006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44655795.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231223212006 its reverse (600212322132), we get a palindrome (831435534138).

The spelling of 231223212006 in words is "two hundred thirty-one billion, two hundred twenty-three million, two hundred twelve thousand, six".