1223323123133 has 8 divisors (see below), whose sum is σ = 1259254229688. Its totient is φ = 1187867925504.

The previous prime is 1223323123109. The next prime is 1223323123201. The reversal of 1223323123133 is 3313213233221.

It can be written as a sum of positive squares in 4 ways, for example, as 597494988484 + 625828134649 = 772978^2 + 791093^2 .

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

It is not a de Polignac number, because 1223323123133 - 2⁶ = 1223323123069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1223323123096 and 1223323123105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223323123103) 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, 118972016 + ... + 118982297.

It is an arithmetic number, because the mean of its divisors is an integer number (157406778711).

Almost surely, 2^{1223323123133} is an apocalyptic number.

It is an amenable number.

1223323123133 is a deficient number, since it is larger than the sum of its proper divisors (35931106555).

1223323123133 is an equidigital number, since it uses as much as digits as its factorization.

1223323123133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237954463.

The product of its digits is 11664, while the sum is 29.

Adding to 1223323123133 its reverse (3313213233221), we get a palindrome (4536536356354).

The spelling of 1223323123133 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-three million, one hundred twenty-three thousand, one hundred thirty-three".