413121504321423 has 64 divisors (see below), whose sum is σ = 613635941990400. Its totient is φ = 274693613372640.

The previous prime is 413121504321419. The next prime is 413121504321451. The reversal of 413121504321423 is 324123405121314.

413121504321423 is a `hidden beast` number, since 4 + 1 + 3 + 1 + 2 + 1 + 504 + 3 + 2 + 142 + 3 = 666.

It is not a de Polignac number, because 413121504321423 - 2² = 413121504321419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413121504321413) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 113776231818 + ... + 113776235448.

It is an arithmetic number, because the mean of its divisors is an integer number (9588061593600).

Almost surely, 2^{413121504321423} is an apocalyptic number.

413121504321423 is a deficient number, since it is larger than the sum of its proper divisors (200514437668977).

413121504321423 is a wasteful number, since it uses less digits than its factorization.

413121504321423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9449 (or 9443 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 413121504321423 its reverse (324123405121314), we get a palindrome (737244909442737).

The spelling of 413121504321423 in words is "four hundred thirteen trillion, one hundred twenty-one billion, five hundred four million, three hundred twenty-one thousand, four hundred twenty-three".