521514354320423 has 8 divisors (see below), whose sum is σ = 521706465363456. Its totient is φ = 521322263256600.

The previous prime is 521514354320411. The next prime is 521514354320483. The reversal of 521514354320423 is 324023453415125.

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 521514354320423 - 2³⁰ = 521513280578599 is a prime.

It is a super-3 number, since 3×521514354320423³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521514354320483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47321390 + ... + 57291732.

It is an arithmetic number, because the mean of its divisors is an integer number (65213308170432).

Almost surely, 2^{521514354320423} is an apocalyptic number.

521514354320423 is a deficient number, since it is larger than the sum of its proper divisors (192111043033).

521514354320423 is a wasteful number, since it uses less digits than its factorization.

521514354320423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9989605.

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 521514354320423 in words is "five hundred twenty-one trillion, five hundred fourteen billion, three hundred fifty-four million, three hundred twenty thousand, four hundred twenty-three".