12320322143 has 2 divisors, whose sum is σ = 12320322144. Its totient is φ = 12320322142.

The previous prime is 12320322103. The next prime is 12320322149. The reversal of 12320322143 is 34122302321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12320322143 - 2¹⁰ = 12320321119 is a prime.

It is a super-2 number, since 2×12320322143² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12320322149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160161071 + 6160161072.

It is an arithmetic number, because the mean of its divisors is an integer number (6160161072).

Almost surely, 2^12320322143 is an apocalyptic number.

12320322143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320322143 is an equidigital number, since it uses as much as digits as its factorization.

12320322143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12320322143 its reverse (34122302321), we get a palindrome (46442624464).

The spelling of 12320322143 in words is "twelve billion, three hundred twenty million, three hundred twenty-two thousand, one hundred forty-three".