20231370445161 has 4 divisors (see below), whose sum is σ = 26975160593552. Its totient is φ = 13487580296772.

The previous prime is 20231370445159. The next prime is 20231370445163. The reversal of 20231370445161 is 16154407313202.

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 an interprime number because it is at equal distance from previous prime (20231370445159) and next prime (20231370445163).

It is not a de Polignac number, because 20231370445161 - 2¹ = 20231370445159 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20231370445163) 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, 3371895074191 + ... + 3371895074196.

It is an arithmetic number, because the mean of its divisors is an integer number (6743790148388).

Almost surely, 2^{20231370445161} is an apocalyptic number.

It is an amenable number.

20231370445161 is a deficient number, since it is larger than the sum of its proper divisors (6743790148391).

20231370445161 is an equidigital number, since it uses as much as digits as its factorization.

20231370445161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743790148390.

The product of its (nonzero) digits is 120960, while the sum is 39.

Adding to 20231370445161 its reverse (16154407313202), we get a palindrome (36385777758363).

The spelling of 20231370445161 in words is "twenty trillion, two hundred thirty-one billion, three hundred seventy million, four hundred forty-five thousand, one hundred sixty-one".