12357927843 has 4 divisors (see below), whose sum is σ = 16477237128. Its totient is φ = 8238618560.

The previous prime is 12357927811. The next prime is 12357927877. The reversal of 12357927843 is 34872975321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34872975321 = 3 ⋅11624325107.

It is a cyclic number.

It is not a de Polignac number, because 12357927843 - 2⁵ = 12357927811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12357927143) 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, 2059654638 + ... + 2059654643.

It is an arithmetic number, because the mean of its divisors is an integer number (4119309282).

Almost surely, 2^12357927843 is an apocalyptic number.

12357927843 is a deficient number, since it is larger than the sum of its proper divisors (4119309285).

12357927843 is an equidigital number, since it uses as much as digits as its factorization.

12357927843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119309284.

The product of its digits is 2540160, while the sum is 51.

The spelling of 12357927843 in words is "twelve billion, three hundred fifty-seven million, nine hundred twenty-seven thousand, eight hundred forty-three".