12047733523 has 32 divisors (see below), whose sum is σ = 14912501760. Its totient is φ = 9505224960.

The previous prime is 12047733517. The next prime is 12047733547. The reversal of 12047733523 is 32533774021.

12047733523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12047733523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12047733023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1447911 + ... + 1456207.

It is an arithmetic number, because the mean of its divisors is an integer number (466015680).

Almost surely, 2^12047733523 is an apocalyptic number.

12047733523 is a deficient number, since it is larger than the sum of its proper divisors (2864768237).

12047733523 is a wasteful number, since it uses less digits than its factorization.

12047733523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8667.

The product of its (nonzero) digits is 105840, while the sum is 37.

The spelling of 12047733523 in words is "twelve billion, forty-seven million, seven hundred thirty-three thousand, five hundred twenty-three".