12301042523 has 16 divisors (see below), whose sum is σ = 15662674944. Its totient is φ = 9381284160.

The previous prime is 12301042511. The next prime is 12301042531. The reversal of 12301042523 is 32524010321.

It is a cyclic number.

It is not a de Polignac number, because 12301042523 - 2¹⁰ = 12301041499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12301042543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1695890 + ... + 1703127.

It is an arithmetic number, because the mean of its divisors is an integer number (978917184).

Almost surely, 2^12301042523 is an apocalyptic number.

12301042523 is a deficient number, since it is larger than the sum of its proper divisors (3361632421).

12301042523 is a wasteful number, since it uses less digits than its factorization.

12301042523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399082.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 12301042523 its reverse (32524010321), we get a palindrome (44825052844).

The spelling of 12301042523 in words is "twelve billion, three hundred one million, forty-two thousand, five hundred twenty-three".