12340563324 has 12 divisors (see below), whose sum is σ = 28794647784. Its totient is φ = 4113521104.

The previous prime is 12340563307. The next prime is 12340563329. The reversal of 12340563324 is 42336504321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340563329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514190127 + ... + 514190150.

It is an arithmetic number, because the mean of its divisors is an integer number (2399553982).

Almost surely, 2^12340563324 is an apocalyptic number.

It is an amenable number.

12340563324 is an abundant number, since it is smaller than the sum of its proper divisors (16454084460).

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

12340563324 is a wasteful number, since it uses less digits than its factorization.

12340563324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028380284 (or 1028380282 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 12340563324 in words is "twelve billion, three hundred forty million, five hundred sixty-three thousand, three hundred twenty-four".