523563162221 has 8 divisors (see below), whose sum is σ = 571876460064. Its totient is φ = 475369305520.

The previous prime is 523563162217. The next prime is 523563162229. The reversal of 523563162221 is 122261365325.

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 523563162221 - 2² = 523563162217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523563162229) 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, 29851115 + ... + 29868648.

It is an arithmetic number, because the mean of its divisors is an integer number (71484557508).

Almost surely, 2^523563162221 is an apocalyptic number.

It is an amenable number.

523563162221 is a deficient number, since it is larger than the sum of its proper divisors (48313297843).

523563162221 is a wasteful number, since it uses less digits than its factorization.

523563162221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59720571.

The product of its digits is 129600, while the sum is 38.

The spelling of 523563162221 in words is "five hundred twenty-three billion, five hundred sixty-three million, one hundred sixty-two thousand, two hundred twenty-one".