1233122133223 has 4 divisors (see below), whose sum is σ = 1233190952248. Its totient is φ = 1233053314200.

The previous prime is 1233122133209. The next prime is 1233122133281. The reversal of 1233122133223 is 3223312213321.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233122133223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233122133191 and 1233122133200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233122133203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34382628 + ... + 34418473.

It is an arithmetic number, because the mean of its divisors is an integer number (308297738062).

Almost surely, 2^{1233122133223} is an apocalyptic number.

1233122133223 is a deficient number, since it is larger than the sum of its proper divisors (68819025).

1233122133223 is an equidigital number, since it uses as much as digits as its factorization.

1233122133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68819024.

The product of its digits is 7776, while the sum is 28.

Adding to 1233122133223 its reverse (3223312213321), we get a palindrome (4456434346544).

The spelling of 1233122133223 in words is "one trillion, two hundred thirty-three billion, one hundred twenty-two million, one hundred thirty-three thousand, two hundred twenty-three".