12351837523 has 4 divisors (see below), whose sum is σ = 12352791600. Its totient is φ = 12350883448.

The previous prime is 12351837517. The next prime is 12351837583. The reversal of 12351837523 is 32573815321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12351837523 - 2⁹ = 12351837011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12351837503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457348 + ... + 483601.

It is an arithmetic number, because the mean of its divisors is an integer number (3088197900).

Almost surely, 2^12351837523 is an apocalyptic number.

12351837523 is a deficient number, since it is larger than the sum of its proper divisors (954077).

12351837523 is an equidigital number, since it uses as much as digits as its factorization.

12351837523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954076.

The product of its digits is 151200, while the sum is 40.

The spelling of 12351837523 in words is "twelve billion, three hundred fifty-one million, eight hundred thirty-seven thousand, five hundred twenty-three".