523545520101 has 4 divisors (see below), whose sum is σ = 698060693472. Its totient is φ = 349030346732.

The previous prime is 523545520061. The next prime is 523545520109. The reversal of 523545520101 is 101025545325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 523545520101 - 2¹⁴ = 523545503717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523545520109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87257586681 + ... + 87257586686.

It is an arithmetic number, because the mean of its divisors is an integer number (174515173368).

Almost surely, 2^523545520101 is an apocalyptic number.

It is an amenable number.

523545520101 is a deficient number, since it is larger than the sum of its proper divisors (174515173371).

523545520101 is a wasteful number, since it uses less digits than its factorization.

523545520101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174515173370.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 523545520101 in words is "five hundred twenty-three billion, five hundred forty-five million, five hundred twenty thousand, one hundred one".