520834566823 has 2 divisors, whose sum is σ = 520834566824. Its totient is φ = 520834566822.

The previous prime is 520834566793. The next prime is 520834566827. The reversal of 520834566823 is 328665438025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 520834566823 - 2¹³ = 520834558631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520834566827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260417283411 + 260417283412.

It is an arithmetic number, because the mean of its divisors is an integer number (260417283412).

Almost surely, 2^520834566823 is an apocalyptic number.

520834566823 is a deficient number, since it is larger than the sum of its proper divisors (1).

520834566823 is an equidigital number, since it uses as much as digits as its factorization.

520834566823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 520834566823 in words is "five hundred twenty billion, eight hundred thirty-four million, five hundred sixty-six thousand, eight hundred twenty-three".