1242434224223 has 2 divisors, whose sum is σ = 1242434224224. Its totient is φ = 1242434224222.

The previous prime is 1242434224217. The next prime is 1242434224243. The reversal of 1242434224223 is 3224224342421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1242434224223 - 2¹⁶ = 1242434158687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242434224243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621217112111 + 621217112112.

It is an arithmetic number, because the mean of its divisors is an integer number (621217112112).

Almost surely, 2^{1242434224223} is an apocalyptic number.

1242434224223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242434224223 is an equidigital number, since it uses as much as digits as its factorization.

1242434224223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 35.

Adding to 1242434224223 its reverse (3224224342421), we get a palindrome (4466658566644).

The spelling of 1242434224223 in words is "one trillion, two hundred forty-two billion, four hundred thirty-four million, two hundred twenty-four thousand, two hundred twenty-three".