12351376523 has 4 divisors (see below), whose sum is σ = 12376532568. Its totient is φ = 12326220480.

The previous prime is 12351376517. The next prime is 12351376603. The reversal of 12351376523 is 32567315321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32567315321 = 54269 ⋅600109.

It is a cyclic number.

It is not a de Polignac number, because 12351376523 - 2¹⁴ = 12351360139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12351375523) 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, 12577286 + ... + 12578267.

It is an arithmetic number, because the mean of its divisors is an integer number (3094133142).

Almost surely, 2^12351376523 is an apocalyptic number.

12351376523 is a deficient number, since it is larger than the sum of its proper divisors (25156045).

12351376523 is an equidigital number, since it uses as much as digits as its factorization.

12351376523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25156044.

The product of its digits is 113400, while the sum is 38.

The spelling of 12351376523 in words is "twelve billion, three hundred fifty-one million, three hundred seventy-six thousand, five hundred twenty-three".