12441423154 has 16 divisors (see below), whose sum is σ = 18719354520. Its totient is φ = 6201659520.

The previous prime is 12441423133. The next prime is 12441423187. The reversal of 12441423154 is 45132414421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1294920225 + 11146502929 = 35985^2 + 105577^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1471812 + ... + 1480240.

Almost surely, 2^12441423154 is an apocalyptic number.

12441423154 is a deficient number, since it is larger than the sum of its proper divisors (6277931366).

12441423154 is a wasteful number, since it uses less digits than its factorization.

12441423154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10605.

The product of its digits is 15360, while the sum is 31.

Adding to 12441423154 its reverse (45132414421), we get a palindrome (57573837575).

The spelling of 12441423154 in words is "twelve billion, four hundred forty-one million, four hundred twenty-three thousand, one hundred fifty-four".