1222320434423 has 8 divisors (see below), whose sum is σ = 1376454683136. Its totient is φ = 1075355220600.

The previous prime is 1222320434381. The next prime is 1222320434437. The reversal of 1222320434423 is 3244340232221.

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 1222320434423 - 2¹² = 1222320430327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222320434423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222320434453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1792258361 + ... + 1792259042.

It is an arithmetic number, because the mean of its divisors is an integer number (172056835392).

Almost surely, 2^{1222320434423} is an apocalyptic number.

1222320434423 is a deficient number, since it is larger than the sum of its proper divisors (154134248713).

1222320434423 is a wasteful number, since it uses less digits than its factorization.

1222320434423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584517445.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 1222320434423 its reverse (3244340232221), we get a palindrome (4466660666644).

The spelling of 1222320434423 in words is "one trillion, two hundred twenty-two billion, three hundred twenty million, four hundred thirty-four thousand, four hundred twenty-three".