12243355443 has 32 divisors (see below), whose sum is σ = 20951205120. Its totient is φ = 6983729280.

The previous prime is 12243355393. The next prime is 12243355513. The reversal of 12243355443 is 34455334221.

12243355443 is a `hidden beast` number, since 1 + 22 + 43 + 3 + 554 + 43 = 666.

It is not a de Polignac number, because 12243355443 - 2⁶ = 12243355379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12243355398 and 12243355407.

It is not an unprimeable number, because it can be changed into a prime (12243455443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1207405 + ... + 1217502.

It is an arithmetic number, because the mean of its divisors is an integer number (654725160).

Almost surely, 2^12243355443 is an apocalyptic number.

12243355443 is a deficient number, since it is larger than the sum of its proper divisors (8707849677).

12243355443 is a wasteful number, since it uses less digits than its factorization.

12243355443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424944 (or 2424938 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 12243355443 its reverse (34455334221), we get a palindrome (46698689664).

The spelling of 12243355443 in words is "twelve billion, two hundred forty-three million, three hundred fifty-five thousand, four hundred forty-three".