12344547523 has 32 divisors (see below), whose sum is σ = 15717680640. Its totient is φ = 9415560960.

The previous prime is 12344547517. The next prime is 12344547529. The reversal of 12344547523 is 32574544321.

It is an interprime number because it is at equal distance from previous prime (12344547517) and next prime (12344547529).

It is a cyclic number.

It is not a de Polignac number, because 12344547523 - 2⁹ = 12344547011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12344547529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1861708 + ... + 1868326.

It is an arithmetic number, because the mean of its divisors is an integer number (491177520).

Almost surely, 2^12344547523 is an apocalyptic number.

12344547523 is a deficient number, since it is larger than the sum of its proper divisors (3373133117).

12344547523 is a wasteful number, since it uses less digits than its factorization.

12344547523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7147.

The product of its digits is 403200, while the sum is 40.

The spelling of 12344547523 in words is "twelve billion, three hundred forty-four million, five hundred forty-seven thousand, five hundred twenty-three".