12023044451 has 4 divisors (see below), whose sum is σ = 13116048504. Its totient is φ = 10930040400.

The previous prime is 12023044441. The next prime is 12023044459. The reversal of 12023044451 is 15444032021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12023044451 - 2⁶ = 12023044387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12023044451.

It is not an unprimeable number, because it can be changed into a prime (12023044459) 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, 546502010 + ... + 546502031.

It is an arithmetic number, because the mean of its divisors is an integer number (3279012126).

Almost surely, 2^12023044451 is an apocalyptic number.

12023044451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12023044451 is a deficient number, since it is larger than the sum of its proper divisors (1093004053).

12023044451 is a wasteful number, since it uses less digits than its factorization.

12023044451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093004052.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 12023044451 its reverse (15444032021), we get a palindrome (27467076472).

The spelling of 12023044451 in words is "twelve billion, twenty-three million, forty-four thousand, four hundred fifty-one".