12403344334 has 4 divisors (see below), whose sum is σ = 18605016504. Its totient is φ = 6201672166.

The previous prime is 12403344329. The next prime is 12403344337. The reversal of 12403344334 is 43344330421.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 12403344296 and 12403344305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403344337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3100836082 + ... + 3100836085.

It is an arithmetic number, because the mean of its divisors is an integer number (4651254126).

Almost surely, 2^12403344334 is an apocalyptic number.

12403344334 is a deficient number, since it is larger than the sum of its proper divisors (6201672170).

12403344334 is an equidigital number, since it uses as much as digits as its factorization.

12403344334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6201672169.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 12403344334 its reverse (43344330421), we get a palindrome (55747674755).

The spelling of 12403344334 in words is "twelve billion, four hundred three million, three hundred forty-four thousand, three hundred thirty-four".