13404235232123 has 8 divisors (see below), whose sum is σ = 14267027093760. Its totient is φ = 12549699752320.

The previous prime is 13404235232039. The next prime is 13404235232149. The reversal of 13404235232123 is 32123253240431.

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

It is a cyclic number.

It is not a de Polignac number, because 13404235232123 - 2³⁴ = 13387055362939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13404235232153) 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, 2064092108 + ... + 2064098601.

It is an arithmetic number, because the mean of its divisors is an integer number (1783378386720).

Almost surely, 2^{13404235232123} is an apocalyptic number.

13404235232123 is a deficient number, since it is larger than the sum of its proper divisors (862791861637).

13404235232123 is a wasteful number, since it uses less digits than its factorization.

13404235232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128190917.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 13404235232123 its reverse (32123253240431), we get a palindrome (45527488472554).

The spelling of 13404235232123 in words is "thirteen trillion, four hundred four billion, two hundred thirty-five million, two hundred thirty-two thousand, one hundred twenty-three".