1043332111123 has 4 divisors (see below), whose sum is σ = 1088694376848. Its totient is φ = 997969845400.

The previous prime is 1043332111109. The next prime is 1043332111141. The reversal of 1043332111123 is 3211112333401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043332111123 is a prime.

It is a super-2 number, since 2×1043332111123² (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 (1043332111153) 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, 22681132828 + ... + 22681132873.

It is an arithmetic number, because the mean of its divisors is an integer number (272173594212).

Almost surely, 2^{1043332111123} is an apocalyptic number.

1043332111123 is a deficient number, since it is larger than the sum of its proper divisors (45362265725).

1043332111123 is an equidigital number, since it uses as much as digits as its factorization.

1043332111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45362265724.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1043332111123 its reverse (3211112333401), we get a palindrome (4254444444524).

The spelling of 1043332111123 in words is "one trillion, forty-three billion, three hundred thirty-two million, one hundred eleven thousand, one hundred twenty-three".