512130340023 has 16 divisors (see below), whose sum is σ = 740641872096. Its totient is φ = 313499202560.

The previous prime is 512130339979. The next prime is 512130340031. The reversal of 512130340023 is 320043031215.

It is a cyclic number.

It is not a de Polignac number, because 512130340023 - 2²⁰ = 512129291447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 512130339975 and 512130340002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512130347023) 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, 122458536 + ... + 122462717.

It is an arithmetic number, because the mean of its divisors is an integer number (46290117006).

Almost surely, 2^512130340023 is an apocalyptic number.

512130340023 is a deficient number, since it is larger than the sum of its proper divisors (228511532073).

512130340023 is a wasteful number, since it uses less digits than its factorization.

512130340023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244921314.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 512130340023 its reverse (320043031215), we get a palindrome (832173371238).

The spelling of 512130340023 in words is "five hundred twelve billion, one hundred thirty million, three hundred forty thousand, twenty-three".