12210243423 has 32 divisors (see below), whose sum is σ = 19259572224. Its totient is φ = 6735197952.

The previous prime is 12210243371. The next prime is 12210243431. The reversal of 12210243423 is 32434201221.

It is a happy number.

It is not a de Polignac number, because 12210243423 - 2⁶ = 12210243359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12210243393 and 12210243402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210243323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36811 + ... + 160547.

It is an arithmetic number, because the mean of its divisors is an integer number (601861632).

Almost surely, 2^12210243423 is an apocalyptic number.

12210243423 is a deficient number, since it is larger than the sum of its proper divisors (7049328801).

12210243423 is a wasteful number, since it uses less digits than its factorization.

12210243423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123911.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12210243423 its reverse (32434201221), we get a palindrome (44644444644).

The spelling of 12210243423 in words is "twelve billion, two hundred ten million, two hundred forty-three thousand, four hundred twenty-three".