1123330313123 has 4 divisors (see below), whose sum is σ = 1126459367280. Its totient is φ = 1120201258968.

The previous prime is 1123330313117. The next prime is 1123330313141. The reversal of 1123330313123 is 3213130333211.

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 1123330313123 - 2⁶ = 1123330313059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123330313092 and 1123330313101.

It is not an unprimeable number, because it can be changed into a prime (1123330313323) 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 3 ways as a sum of consecutive naturals, for example, 1564526540 + ... + 1564527257.

It is an arithmetic number, because the mean of its divisors is an integer number (281614841820).

Almost surely, 2^{1123330313123} is an apocalyptic number.

1123330313123 is a deficient number, since it is larger than the sum of its proper divisors (3129054157).

1123330313123 is an equidigital number, since it uses as much as digits as its factorization.

1123330313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129054156.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1123330313123 its reverse (3213130333211), we get a palindrome (4336460646334).

The spelling of 1123330313123 in words is "one trillion, one hundred twenty-three billion, three hundred thirty million, three hundred thirteen thousand, one hundred twenty-three".