20221231343 has 2 divisors, whose sum is σ = 20221231344. Its totient is φ = 20221231342.

The previous prime is 20221231297. The next prime is 20221231361. The reversal of 20221231343 is 34313212202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20221231343 - 2⁶ = 20221231279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221231843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110615671 + 10110615672.

It is an arithmetic number, because the mean of its divisors is an integer number (10110615672).

Almost surely, 2^20221231343 is an apocalyptic number.

20221231343 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221231343 is an equidigital number, since it uses as much as digits as its factorization.

20221231343 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 20221231343 its reverse (34313212202), we get a palindrome (54534443545).

The spelling of 20221231343 in words is "twenty billion, two hundred twenty-one million, two hundred thirty-one thousand, three hundred forty-three".