12223043434 has 24 divisors (see below), whose sum is σ = 21374307108. Its totient is φ = 5227064640.

The previous prime is 12223043431. The next prime is 12223043449. The reversal of 12223043434 is 43434032221.

It can be written as a sum of positive squares in 2 ways, for example, as 11947583025 + 275460409 = 109305^2 + 16597^2 .

It is not an unprimeable number, because it can be changed into a prime (12223043431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90099 + ... + 180454.

Almost surely, 2^12223043434 is an apocalyptic number.

12223043434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12223043434 is a deficient number, since it is larger than the sum of its proper divisors (9151263674).

12223043434 is a wasteful number, since it uses less digits than its factorization.

12223043434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271030 (or 271023 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 12223043434 its reverse (43434032221), we get a palindrome (55657075655).

The spelling of 12223043434 in words is "twelve billion, two hundred twenty-three million, forty-three thousand, four hundred thirty-four".