13123591743 has 16 divisors (see below), whose sum is σ = 17716527360. Its totient is φ = 8640101184.

The previous prime is 13123591697. The next prime is 13123591759. The reversal of 13123591743 is 34719532131.

It is a de Polignac number, because none of the positive numbers 2^k-13123591743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123591843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189880 + ... + 249602.

It is an arithmetic number, because the mean of its divisors is an integer number (1107282960).

Almost surely, 2^13123591743 is an apocalyptic number.

13123591743 is a deficient number, since it is larger than the sum of its proper divisors (4592935617).

13123591743 is an equidigital number, since it uses as much as digits as its factorization.

13123591743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60638.

The product of its digits is 68040, while the sum is 39.

The spelling of 13123591743 in words is "thirteen billion, one hundred twenty-three million, five hundred ninety-one thousand, seven hundred forty-three".