13454123043 has 4 divisors (see below), whose sum is σ = 17938830728. Its totient is φ = 8969415360.

The previous prime is 13454123027. The next prime is 13454123047. The reversal of 13454123043 is 34032145431.

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

It is not a de Polignac number, because 13454123043 - 2⁴ = 13454123027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13454123043.

It is not an unprimeable number, because it can be changed into a prime (13454123047) 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, 2242353838 + ... + 2242353843.

It is an arithmetic number, because the mean of its divisors is an integer number (4484707682).

Almost surely, 2^13454123043 is an apocalyptic number.

13454123043 is a deficient number, since it is larger than the sum of its proper divisors (4484707685).

13454123043 is an equidigital number, since it uses as much as digits as its factorization.

13454123043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484707684.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 13454123043 its reverse (34032145431), we get a palindrome (47486268474).

The spelling of 13454123043 in words is "thirteen billion, four hundred fifty-four million, one hundred twenty-three thousand, forty-three".