12022423 has 4 divisors (see below), whose sum is σ = 13739920. Its totient is φ = 10304928.

The previous prime is 12022411. The next prime is 12022433. The reversal of 12022423 is 32422021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32422021 = 41 ⋅790781.

It is a cyclic number.

It is not a de Polignac number, because 12022423 - 2²¹ = 9925271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12022397 and 12022406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858738 + ... + 858751.

It is an arithmetic number, because the mean of its divisors is an integer number (3434980).

Almost surely, 2^12022423 is an apocalyptic number.

12022423 is a deficient number, since it is larger than the sum of its proper divisors (1717497).

12022423 is an equidigital number, since it uses as much as digits as its factorization.

12022423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717496.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 12022423 is about 3467.3365859114. The cubic root of 12022423 is about 229.0853593800.

Adding to 12022423 its reverse (32422021), we get a palindrome (44444444).

The spelling of 12022423 in words is "twelve million, twenty-two thousand, four hundred twenty-three".