1233113123129 has 16 divisors (see below), whose sum is σ = 1300404019200. Its totient is φ = 1166062014864.

The previous prime is 1233113123057. The next prime is 1233113123161. The reversal of 1233113123129 is 9213213113321.

It is a cyclic number.

It is not a de Polignac number, because 1233113123129 - 2²⁰ = 1233112074553 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1233113123095 and 1233113123104.

It is not an unprimeable number, because it can be changed into a prime (1233113183129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113467754 + ... + 113478620.

It is an arithmetic number, because the mean of its divisors is an integer number (81275251200).

Almost surely, 2^{1233113123129} is an apocalyptic number.

1233113123129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1233113123129 is a deficient number, since it is larger than the sum of its proper divisors (67290896071).

1233113123129 is a wasteful number, since it uses less digits than its factorization.

1233113123129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21332.

The product of its digits is 5832, while the sum is 32.

The spelling of 1233113123129 in words is "one trillion, two hundred thirty-three billion, one hundred thirteen million, one hundred twenty-three thousand, one hundred twenty-nine".