10520430423213 has 4 divisors (see below), whose sum is σ = 14027240564288. Its totient is φ = 7013620282140.

The previous prime is 10520430423169. The next prime is 10520430423253. The reversal of 10520430423213 is 31232403402501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10520430423213 - 2¹⁰ = 10520430422189 is a prime.

It is a super-2 number, since 2×10520430423213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520430423253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1753405070533 + ... + 1753405070538.

It is an arithmetic number, because the mean of its divisors is an integer number (3506810141072).

Almost surely, 2^{10520430423213} is an apocalyptic number.

It is an amenable number.

10520430423213 is a deficient number, since it is larger than the sum of its proper divisors (3506810141075).

10520430423213 is an equidigital number, since it uses as much as digits as its factorization.

10520430423213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506810141074.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 10520430423213 its reverse (31232403402501), we get a palindrome (41752833825714).

The spelling of 10520430423213 in words is "ten trillion, five hundred twenty billion, four hundred thirty million, four hundred twenty-three thousand, two hundred thirteen".