1222343140423 has 8 divisors (see below), whose sum is σ = 1269437932928. Its totient is φ = 1176096902904.

The previous prime is 1222343140411. The next prime is 1222343140433. The reversal of 1222343140423 is 3240413432221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222343140423 - 2⁵ = 1222343140391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222343140433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212135811 + ... + 212141572.

It is an arithmetic number, because the mean of its divisors is an integer number (158679741616).

Almost surely, 2^{1222343140423} is an apocalyptic number.

1222343140423 is a deficient number, since it is larger than the sum of its proper divisors (47094792505).

1222343140423 is an equidigital number, since it uses as much as digits as its factorization.

1222343140423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424277493.

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

Adding to 1222343140423 its reverse (3240413432221), we get a palindrome (4462756572644).

The spelling of 1222343140423 in words is "one trillion, two hundred twenty-two billion, three hundred forty-three million, one hundred forty thousand, four hundred twenty-three".