12321037343 has 2 divisors, whose sum is σ = 12321037344. Its totient is φ = 12321037342.

The previous prime is 12321037307. The next prime is 12321037349. The reversal of 12321037343 is 34373012321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12321037343 - 2¹⁰ = 12321036319 is a prime.

It is a super-2 number, since 2×12321037343² (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 (12321037349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160518671 + 6160518672.

It is an arithmetic number, because the mean of its divisors is an integer number (6160518672).

Almost surely, 2^12321037343 is an apocalyptic number.

12321037343 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321037343 is an equidigital number, since it uses as much as digits as its factorization.

12321037343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 12321037343 its reverse (34373012321), we get a palindrome (46694049664).

The spelling of 12321037343 in words is "twelve billion, three hundred twenty-one million, thirty-seven thousand, three hundred forty-three".