13434040412123 has 8 divisors (see below), whose sum is σ = 13618363778448. Its totient is φ = 13249725030144.

The previous prime is 13434040412101. The next prime is 13434040412129. The reversal of 13434040412123 is 32121404043431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13434040412123 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 13434040412123.

It is not an unprimeable number, because it can be changed into a prime (13434040412129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432211 + ... + 5377667.

It is an arithmetic number, because the mean of its divisors is an integer number (1702295472306).

Almost surely, 2^{13434040412123} is an apocalyptic number.

13434040412123 is a deficient number, since it is larger than the sum of its proper divisors (184323366325).

13434040412123 is an equidigital number, since it uses as much as digits as its factorization.

13434040412123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992173.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 13434040412123 its reverse (32121404043431), we get a palindrome (45555444455554).

The spelling of 13434040412123 in words is "thirteen trillion, four hundred thirty-four billion, forty million, four hundred twelve thousand, one hundred twenty-three".