12343663425 has 24 divisors (see below), whose sum is σ = 20959767616. Its totient is φ = 6405359040.

The previous prime is 12343663393. The next prime is 12343663441. The reversal of 12343663425 is 52436634321.

It is not a de Polignac number, because 12343663425 - 2⁵ = 12343663393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2221309 + ... + 2226858.

Almost surely, 2^12343663425 is an apocalyptic number.

12343663425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12343663425 is a deficient number, since it is larger than the sum of its proper divisors (8616104191).

12343663425 is a wasteful number, since it uses less digits than its factorization.

12343663425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448217 (or 4448212 counting only the distinct ones).

The product of its digits is 311040, while the sum is 39.

The spelling of 12343663425 in words is "twelve billion, three hundred forty-three million, six hundred sixty-three thousand, four hundred twenty-five".