523820104811 has 16 divisors (see below), whose sum is σ = 537664704000. Its totient is φ = 510094268640.

The previous prime is 523820104789. The next prime is 523820104849. The reversal of 523820104811 is 118401028325.

It is a cyclic number.

It is not a de Polignac number, because 523820104811 - 2⁶ = 523820104747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523820104891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7729205 + ... + 7796681.

It is an arithmetic number, because the mean of its divisors is an integer number (33604044000).

Almost surely, 2^523820104811 is an apocalyptic number.

523820104811 is a deficient number, since it is larger than the sum of its proper divisors (13844599189).

523820104811 is a wasteful number, since it uses less digits than its factorization.

523820104811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68354.

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 523820104811 in words is "five hundred twenty-three billion, eight hundred twenty million, one hundred four thousand, eight hundred eleven".