22143223021243 has 2 divisors, whose sum is σ = 22143223021244. Its totient is φ = 22143223021242.

The previous prime is 22143223021223. The next prime is 22143223021261. The reversal of 22143223021243 is 34212032234122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22143223021243 - 2¹⁷ = 22143222890171 is a prime.

It is not a weakly prime, because it can be changed into another prime (22143223021223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071611510621 + 11071611510622.

It is an arithmetic number, because the mean of its divisors is an integer number (11071611510622).

Almost surely, 2^{22143223021243} is an apocalyptic number.

22143223021243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22143223021243 is an equidigital number, since it uses as much as digits as its factorization.

22143223021243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 22143223021243 its reverse (34212032234122), we get a palindrome (56355255255365).

The spelling of 22143223021243 in words is "twenty-two trillion, one hundred forty-three billion, two hundred twenty-three million, twenty-one thousand, two hundred forty-three".