512097723307 has 32 divisors (see below), whose sum is σ = 576176947200. Its totient is φ = 452872425600.

The previous prime is 512097723299. The next prime is 512097723343. The reversal of 512097723307 is 703327790215.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 512097723307 - 2³ = 512097723299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512097729307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18553257 + ... + 18580837.

It is an arithmetic number, because the mean of its divisors is an integer number (18005529600).

Almost surely, 2^512097723307 is an apocalyptic number.

512097723307 is a deficient number, since it is larger than the sum of its proper divisors (64079223893).

512097723307 is a wasteful number, since it uses less digits than its factorization.

512097723307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28747.

The product of its (nonzero) digits is 555660, while the sum is 46.

The spelling of 512097723307 in words is "five hundred twelve billion, ninety-seven million, seven hundred twenty-three thousand, three hundred seven".