12344420223 has 16 divisors (see below), whose sum is σ = 18782302560. Its totient is φ = 8007190848.

The previous prime is 12344420189. The next prime is 12344420269. The reversal of 12344420223 is 32202444321.

12344420223 is a `hidden beast` number, since 1 + 234 + 4 + 420 + 2 + 2 + 3 = 666.

It is not a de Polignac number, because 12344420223 - 2¹² = 12344416127 is a prime.

It is a super-2 number, since 2×12344420223² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344420423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6177390 + ... + 6179387.

It is an arithmetic number, because the mean of its divisors is an integer number (1173893910).

Almost surely, 2^12344420223 is an apocalyptic number.

12344420223 is a deficient number, since it is larger than the sum of its proper divisors (6437882337).

12344420223 is a wasteful number, since it uses less digits than its factorization.

12344420223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12356823 (or 12356817 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 12344420223 its reverse (32202444321), we get a palindrome (44546864544).

The spelling of 12344420223 in words is "twelve billion, three hundred forty-four million, four hundred twenty thousand, two hundred twenty-three".