Adding to 12343454 its reverse (45434321), we get a palindrome (57777775).
12343454 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.
It is a semiprime because it is the product of two primes.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
Almost surely, 212343454 is an apocalyptic number.
12343454 is an equidigital number, since it uses as much as digits as its factorization.
12343454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6171729.
The square root of 12343454 is about 3513.3252055567. The cubic root of 12343454 is about 231.1065393128.
The spelling of 12343454 in words is "twelve million, three hundred forty-three thousand, four hundred fifty-four".