12374438843 has 4 divisors (see below), whose sum is σ = 13326318768. Its totient is φ = 11422558920.

The previous prime is 12374438819. The next prime is 12374438861. The reversal of 12374438843 is 34883447321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12374438843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12374438143) 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, 475939943 + ... + 475939968.

It is an arithmetic number, because the mean of its divisors is an integer number (3331579692).

Almost surely, 2^12374438843 is an apocalyptic number.

12374438843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12374438843 is a deficient number, since it is larger than the sum of its proper divisors (951879925).

12374438843 is an equidigital number, since it uses as much as digits as its factorization.

12374438843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951879924.

The product of its digits is 1548288, while the sum is 47.

The spelling of 12374438843 in words is "twelve billion, three hundred seventy-four million, four hundred thirty-eight thousand, eight hundred forty-three".