13423552453405 has 4 divisors (see below), whose sum is σ = 16108262944092. Its totient is φ = 10738841962720.

The previous prime is 13423552453391. The next prime is 13423552453453. The reversal of 13423552453405 is 50435425532431.

13423552453405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5350163293764 + 8073389159641 = 2313042^2 + 2841371^2 .

It is not a de Polignac number, because 13423552453405 - 2⁴¹ = 11224529197853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342355245336 + ... + 1342355245345.

It is an arithmetic number, because the mean of its divisors is an integer number (4027065736023).

Almost surely, 2^{13423552453405} is an apocalyptic number.

It is an amenable number.

13423552453405 is a deficient number, since it is larger than the sum of its proper divisors (2684710490687).

13423552453405 is an equidigital number, since it uses as much as digits as its factorization.

13423552453405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684710490686.

The product of its (nonzero) digits is 4320000, while the sum is 46.

Adding to 13423552453405 its reverse (50435425532431), we get a palindrome (63858977985836).

It can be divided in two parts, 134235 and 52453405, that added together give a triangular number (52587640 = T₁₀₂₅₅).

The spelling of 13423552453405 in words is "thirteen trillion, four hundred twenty-three billion, five hundred fifty-two million, four hundred fifty-three thousand, four hundred five".