520646110363023 has 16 divisors (see below), whose sum is σ = 698442407232000. Its totient is φ = 344977406088480.

The previous prime is 520646110362977. The next prime is 520646110363069. The reversal of 520646110363023 is 320363011646025.

It is an interprime number because it is at equal distance from previous prime (520646110362977) and next prime (520646110363069).

It is not a de Polignac number, because 520646110363023 - 2²⁸ = 520645841927567 is a prime.

It is a super-2 number, since 2×520646110363023² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520646110363523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473936688 + ... + 475033973.

It is an arithmetic number, because the mean of its divisors is an integer number (43652650452000).

Almost surely, 2^{520646110363023} is an apocalyptic number.

520646110363023 is a deficient number, since it is larger than the sum of its proper divisors (177796296868977).

520646110363023 is a wasteful number, since it uses less digits than its factorization.

520646110363023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948971782.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 520646110363023 in words is "five hundred twenty trillion, six hundred forty-six billion, one hundred ten million, three hundred sixty-three thousand, twenty-three".