12543523979033 has 8 divisors (see below), whose sum is σ = 12639520799136. Its totient is φ = 12447530867200.

The previous prime is 12543523979029. The next prime is 12543523979059. The reversal of 12543523979033 is 33097932534521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12543523979033 - 2² = 12543523979029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12543523979033.

It is not an unprimeable number, because it can be changed into a prime (12543523979003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6064985 + ... + 7865817.

It is an arithmetic number, because the mean of its divisors is an integer number (1579940099892).

Almost surely, 2^{12543523979033} is an apocalyptic number.

It is an amenable number.

12543523979033 is a deficient number, since it is larger than the sum of its proper divisors (95996820103).

12543523979033 is a wasteful number, since it uses less digits than its factorization.

12543523979033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854135.

The product of its (nonzero) digits is 18370800, while the sum is 56.

The spelling of 12543523979033 in words is "twelve trillion, five hundred forty-three billion, five hundred twenty-three million, nine hundred seventy-nine thousand, thirty-three".