523305340705304 has 64 divisors (see below), whose sum is σ = 1052075439043200. Its totient is φ = 243141885702144.

The previous prime is 523305340705297. The next prime is 523305340705313. The reversal of 523305340705304 is 403507043503325.

It is a super-2 number, since 2×523305340705304² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2105452622 + ... + 2105701154.

It is an arithmetic number, because the mean of its divisors is an integer number (16438678735050).

Almost surely, 2^{523305340705304} is an apocalyptic number.

It is an amenable number.

523305340705304 is an abundant number, since it is smaller than the sum of its proper divisors (528770098337896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523305340705304 is a wasteful number, since it uses less digits than its factorization.

523305340705304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444612 (or 444608 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 44.

The spelling of 523305340705304 in words is "five hundred twenty-three trillion, three hundred five billion, three hundred forty million, seven hundred five thousand, three hundred four".