1222203123223 has 4 divisors (see below), whose sum is σ = 1223870522488. Its totient is φ = 1220535723960.

The previous prime is 1222203123217. The next prime is 1222203123241. The reversal of 1222203123223 is 3223213022221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222203123223 - 2¹³ = 1222203115031 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 (1222203123203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833698533 + ... + 833699998.

It is an arithmetic number, because the mean of its divisors is an integer number (305967630622).

Almost surely, 2^{1222203123223} is an apocalyptic number.

1222203123223 is a deficient number, since it is larger than the sum of its proper divisors (1667399265).

1222203123223 is an equidigital number, since it uses as much as digits as its factorization.

1222203123223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667399264.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1222203123223 its reverse (3223213022221), we get a palindrome (4445416145444).

The spelling of 1222203123223 in words is "one trillion, two hundred twenty-two billion, two hundred three million, one hundred twenty-three thousand, two hundred twenty-three".