523213463561 has 8 divisors (see below), whose sum is σ = 523817448000. Its totient is φ = 522609810480.

The previous prime is 523213463449. The next prime is 523213463593. The reversal of 523213463561 is 165364312325.

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 523213463561 - 2¹⁴ = 523213447177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523213466561) 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, 3149306 + ... + 3311276.

It is an arithmetic number, because the mean of its divisors is an integer number (65477181000).

Almost surely, 2^523213463561 is an apocalyptic number.

It is an amenable number.

523213463561 is a deficient number, since it is larger than the sum of its proper divisors (603984439).

523213463561 is a wasteful number, since it uses less digits than its factorization.

523213463561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165679.

The product of its digits is 388800, while the sum is 41.

Adding to 523213463561 its reverse (165364312325), we get a palindrome (688577775886).

The spelling of 523213463561 in words is "five hundred twenty-three billion, two hundred thirteen million, four hundred sixty-three thousand, five hundred sixty-one".