12342523356 has 18 divisors (see below), whose sum is σ = 31199156352. Its totient is φ = 4114174440.

The previous prime is 12342523339. The next prime is 12342523357. The reversal of 12342523356 is 65332524321.

12342523356 is a `hidden beast` number, since 123 + 4 + 2 + 523 + 3 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 342847871 = 12342523356 / (1 + 2 + 3 + 4 + 2 + 5 + 2 + 3 + 3 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 12342523356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342523357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171423900 + ... + 171423971.

It is an arithmetic number, because the mean of its divisors is an integer number (1733286464).

Almost surely, 2^12342523356 is an apocalyptic number.

It is an amenable number.

12342523356 is an abundant number, since it is smaller than the sum of its proper divisors (18856632996).

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

12342523356 is a wasteful number, since it uses less digits than its factorization.

12342523356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342847881 (or 342847876 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The spelling of 12342523356 in words is "twelve billion, three hundred forty-two million, five hundred twenty-three thousand, three hundred fifty-six".