1123300331123 has 4 divisors (see below), whose sum is σ = 1125645426240. Its totient is φ = 1120955236008.

The previous prime is 1123300331099. The next prime is 1123300331177. The reversal of 1123300331123 is 3211330033211.

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 1123300331123 - 2¹⁰ = 1123300330099 is a prime.

It is a super-2 number, since 2×1123300331123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123300331183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172546840 + ... + 1172547797.

It is an arithmetic number, because the mean of its divisors is an integer number (281411356560).

Almost surely, 2^{1123300331123} is an apocalyptic number.

1123300331123 is a deficient number, since it is larger than the sum of its proper divisors (2345095117).

1123300331123 is an equidigital number, since it uses as much as digits as its factorization.

1123300331123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345095116.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1123300331123 its reverse (3211330033211), we get a palindrome (4334630364334).

The spelling of 1123300331123 in words is "one trillion, one hundred twenty-three billion, three hundred million, three hundred thirty-one thousand, one hundred twenty-three".