12403453244 has 48 divisors (see below), whose sum is σ = 26990620608. Its totient is φ = 4856260608.

The previous prime is 12403453229. The next prime is 12403453247. The reversal of 12403453244 is 44235430421.

It is a self number, because there is not a number n which added to its sum of digits gives 12403453244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403453247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140339 + ... + 210954.

It is an arithmetic number, because the mean of its divisors is an integer number (562304596).

Almost surely, 2^12403453244 is an apocalyptic number.

12403453244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12403453244 is an abundant number, since it is smaller than the sum of its proper divisors (14587167364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12403453244 is a wasteful number, since it uses less digits than its factorization.

12403453244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351414 (or 351412 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 12403453244 its reverse (44235430421), we get a palindrome (56638883665).

The spelling of 12403453244 in words is "twelve billion, four hundred three million, four hundred fifty-three thousand, two hundred forty-four".