12023453224 has 16 divisors (see below), whose sum is σ = 22969333620. Its totient is φ = 5898297600.

The previous prime is 12023453209. The next prime is 12023453249. The reversal of 12023453224 is 42235432021.

It can be written as a sum of positive squares in 2 ways, for example, as 11253390724 + 770062500 = 106082^2 + 27750^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12023453192 and 12023453201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14178177 + ... + 14179024.

Almost surely, 2^12023453224 is an apocalyptic number.

It is an amenable number.

12023453224 is a deficient number, since it is larger than the sum of its proper divisors (10945880396).

12023453224 is a wasteful number, since it uses less digits than its factorization.

12023453224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28357260 (or 28357256 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 12023453224 its reverse (42235432021), we get a palindrome (54258885245).

The spelling of 12023453224 in words is "twelve billion, twenty-three million, four hundred fifty-three thousand, two hundred twenty-four".