12210423 has 8 divisors (see below), whose sum is σ = 16324608. Its totient is φ = 8118264.

The previous prime is 12210389. The next prime is 12210449. The reversal of 12210423 is 32401221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12210423 - 2²⁰ = 11161847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210223) 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, 4165 + ... + 6462.

It is an arithmetic number, because the mean of its divisors is an integer number (2040576).

Almost surely, 2^12210423 is an apocalyptic number.

12210423 is a deficient number, since it is larger than the sum of its proper divisors (4114185).

12210423 is a wasteful number, since it uses less digits than its factorization.

12210423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11013.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12210423 is about 3494.3415688796. The cubic root of 12210423 is about 230.2732920258.

Adding to 12210423 its reverse (32401221), we get a palindrome (44611644).

The spelling of 12210423 in words is "twelve million, two hundred ten thousand, four hundred twenty-three".