1233133213123 has 8 divisors (see below), whose sum is σ = 1447384157792. Its totient is φ = 1028404532736.

The previous prime is 1233133213099. The next prime is 1233133213163. The reversal of 1233133213123 is 3213123313321.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1233133213123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233133213091 and 1233133213100.

It is not an unprimeable number, because it can be changed into a prime (1233133213163) 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 7 ways as a sum of consecutive naturals, for example, 2380565790 + ... + 2380566307.

It is an arithmetic number, because the mean of its divisors is an integer number (180923019724).

Almost surely, 2^{1233133213123} is an apocalyptic number.

1233133213123 is a deficient number, since it is larger than the sum of its proper divisors (214250944669).

1233133213123 is an equidigital number, since it uses as much as digits as its factorization.

1233133213123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761132141.

The product of its digits is 5832, while the sum is 28.

Adding to 1233133213123 its reverse (3213123313321), we get a palindrome (4446256526444).

The spelling of 1233133213123 in words is "one trillion, two hundred thirty-three billion, one hundred thirty-three million, two hundred thirteen thousand, one hundred twenty-three".