122312343143 has 4 divisors (see below), whose sum is σ = 122313343680. Its totient is φ = 122311342608.

The previous prime is 122312343137. The next prime is 122312343163. The reversal of 122312343143 is 341343213221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 341343213221 = 305033 ⋅1119037.

It is a cyclic number.

It is not a de Polignac number, because 122312343143 - 2¹² = 122312339047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122312343163) 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, 286430 + ... + 571547.

It is an arithmetic number, because the mean of its divisors is an integer number (30578335920).

Almost surely, 2^122312343143 is an apocalyptic number.

122312343143 is a deficient number, since it is larger than the sum of its proper divisors (1000537).

122312343143 is an equidigital number, since it uses as much as digits as its factorization.

122312343143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000536.

The product of its digits is 10368, while the sum is 29.

Adding to 122312343143 its reverse (341343213221), we get a palindrome (463655556364).

The spelling of 122312343143 in words is "one hundred twenty-two billion, three hundred twelve million, three hundred forty-three thousand, one hundred forty-three".