13423843712 has 32 divisors (see below), whose sum is σ = 27311821920. Its totient is φ = 6569112064.

The previous prime is 13423843711. The next prime is 13423843721. The reversal of 13423843712 is 21734832431.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×13423843712³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423843711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109663 + ... + 1121694.

It is an arithmetic number, because the mean of its divisors is an integer number (853494435).

Almost surely, 2^13423843712 is an apocalyptic number.

It is an amenable number.

13423843712 is an abundant number, since it is smaller than the sum of its proper divisors (13887978208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13423843712 is an equidigital number, since it uses as much as digits as its factorization.

13423843712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231418 (or 2231406 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The spelling of 13423843712 in words is "thirteen billion, four hundred twenty-three million, eight hundred forty-three thousand, seven hundred twelve".