12454423 has 4 divisors (see below), whose sum is σ = 12481560. Its totient is φ = 12427288.

The previous prime is 12454397. The next prime is 12454433. The reversal of 12454423 is 32445421.

It is a happy number.

12454423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32445421 = 1051 ⋅30871.

It is a cyclic number.

It is not a de Polignac number, because 12454423 - 2²¹ = 10357271 is a prime.

It is a super-2 number, since 2×12454423² = 310225304525858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12454433) 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, 12868 + ... + 13801.

It is an arithmetic number, because the mean of its divisors is an integer number (3120390).

Almost surely, 2^12454423 is an apocalyptic number.

12454423 is a deficient number, since it is larger than the sum of its proper divisors (27137).

12454423 is an equidigital number, since it uses as much as digits as its factorization.

12454423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27136.

The product of its digits is 3840, while the sum is 25.

The square root of 12454423 is about 3529.0824586569. The cubic root of 12454423 is about 231.7970319059.

Adding to 12454423 its reverse (32445421), we get a palindrome (44899844).

The spelling of 12454423 in words is "twelve million, four hundred fifty-four thousand, four hundred twenty-three".