1123232120043 has 24 divisors (see below), whose sum is σ = 1661554206144. Its totient is φ = 674384597040.

The previous prime is 1123232120027. The next prime is 1123232120053. The reversal of 1123232120043 is 3400212323211.

It is not a de Polignac number, because 1123232120043 - 2⁴ = 1123232120027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123232119995 and 1123232120022.

It is not an unprimeable number, because it can be changed into a prime (1123232120053) 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 23 ways as a sum of consecutive naturals, for example, 14420521 + ... + 14498202.

It is an arithmetic number, because the mean of its divisors is an integer number (69231425256).

Almost surely, 2^{1123232120043} is an apocalyptic number.

1123232120043 is a deficient number, since it is larger than the sum of its proper divisors (538322086101).

1123232120043 is a wasteful number, since it uses less digits than its factorization.

1123232120043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28918855 (or 28918844 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1123232120043 its reverse (3400212323211), we get a palindrome (4523444443254).

The spelling of 1123232120043 in words is "one trillion, one hundred twenty-three billion, two hundred thirty-two million, one hundred twenty thousand, forty-three".