13423435420211 has 4 divisors (see below), whose sum is σ = 13497598047024. Its totient is φ = 13349272793400.

The previous prime is 13423435420193. The next prime is 13423435420229. The reversal of 13423435420211 is 11202453432431.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13423435420193) and next prime (13423435420229).

It is a cyclic number.

It is not a de Polignac number, because 13423435420211 - 2¹⁴ = 13423435403827 is a prime.

It is a super-2 number, since 2×13423435420211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13423435420231) 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, 37081313135 + ... + 37081313496.

It is an arithmetic number, because the mean of its divisors is an integer number (3374399511756).

Almost surely, 2^{13423435420211} is an apocalyptic number.

13423435420211 is a deficient number, since it is larger than the sum of its proper divisors (74162626813).

13423435420211 is an equidigital number, since it uses as much as digits as its factorization.

13423435420211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74162626812.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 13423435420211 its reverse (11202453432431), we get a palindrome (24625888852642).

The spelling of 13423435420211 in words is "thirteen trillion, four hundred twenty-three billion, four hundred thirty-five million, four hundred twenty thousand, two hundred eleven".